NEET Foundation Chemistry Chapter 1 Matter In Our Surrounding Multiple Choice Questions

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Chapter 1 Matter In Our Surrounding Multiple Choice Question And Answers

Direction: Choose the correct option for each questions. There is only one correct response for each question.

Question 1. Which of the following characteristics is not true for matter?

  1. It occupies space
  2. It has mass
  3. It has inertia
  4. It is least effected by gravity

Answer. 4. It is least effected by gravity

Question 2. In which of the given combinations would the rate of diffusion would be slowest?

  1. Between two different gases
  2. Between two different liquids
  3. Between a liquid and a solid
  4. Between two solids

Answer. 4. Between two solids

Question 3. The intermolecular force will be very weak in which of the following:

  1. A piece of wood
  2. Steam
  3. Milk
  4. Sugar crystals

Answer. 2. Steam

Question 4. The temperature at which the vapour pressure of any liquid becomes equal to atmospheric pressure is known as__________.

  1. Boiling point
  2. Melting point
  3. Freezing point
  4. Triple point

Answer. 1. Boiling point

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Question 5. What do you understand by fusion?

  1. Inter-conversion of solid into liquid
  2. Converting liquid to solid
  3. Converting liquid to gas
  4. Inter-conversion of gas into solid

Answer. 1. Inter-conversion of solid into liquid

Question 6. How can the evaporation of liquids be increased?

  1. By increasing the humidity
  2. By contracting the surface area
  3. By increasing the temperature
  4. All of the above

Answer. 3. By increasing the temperature

Question 7. What is the correct order of evaporation?

  1. Petrol > alcohol > water > kerosene
  2. Petrol > kerosene > water > alcohol
  3. Alcohol > Petrol > kerosene > water
  4. Petrol > alcohol > kerosene > water

Answer. 4. Petrol > alcohol > kerosene > water

Question 8. The major constituent of cooking gas is _______?

  1. Ethane
  2. Propane
  3. Butane
  4. Methane

Answer. 3. Butane

Question 9. We have often seen the naphthalene balls that we put in our clothes disappear after some time. What could be the phenomenon?

  1. Evaporation
  2. Sublimation
  3. Diffusion
  4. Contraction

Answer. 2. Sublimation

Question 10. What happens to the temperature when a solid melts?

  1. It increases
  2. It decreases
  3. It remains same
  4. First increases then decreases

Answer. 3. It remains same

Question 11. What is the correct unit of weight?

  1. Kelvin
  2. Newton
  3. Pascal
  4. None of these

Answer. 2. Newton

Question 12. In condensation, there is ________.

  1. Loss of energy
  2. Gain of energy
  3. Neither gain nor loss of energy
  4. Loss of energy in beginning followed by gain

Answer. 2. Gain of energy

Question 13. For a state of matter to be a liquid, which of the given conditions is true?

  1. The melting point of the substance is above the room temperature at the atmospheric pressure.
  2. The boiling point of the substance is above the room temperature under the atmospheric pressure.
  3. The boiling point of the substance is below the room temperature at the atmospheric pressure.
  4. None of these

Answer. 2. The boiling point of the substance is above the room temperature under the atmospheric pressure.

Question 14. We can often see large volume of gases in small cylinders. How is this possible?

  1. Gases can sublime
  2. Gases can solidify
  3. Gases can evaporate
  4. Gases can compress

Answer. 4. Gases can compress

Question 15. We can often see people adding salt to water while boiling stuff like kidney beans or potatoes. Why?

  1. The boiling point of water increases
  2. The boiling point of water decreases
  3. It enhances taste
  4. None of the above

Answer. 1. The boiling point of water increases

Question 16. Reena was in a hurry, so she sipped her hot tea in a saucer instead of cup. Why?

  1. Tastes better
  2. Cools quickly in saucer than cup
  3. Easy to hold
  4. All of the above

Answer. 2. Cools quickly in saucer than cup

Question 17. What will happen if an inverted cylinder of hydrogen gas is placed upon a cylinder of nitrogen oxide?

  1. Both gases will move upwards
  2. Both will move down
  3. Hydrogen will move down but nitrogen oxide will remain as it is
  4. Hydrogen will move downwards and nitrogen oxide will move upwards

Answer. 4. Hydrogen will move downwards and nitrogen oxide will move upwards

Question 18. What can you say about particles of matter?

  1. These are very small
  2. These attract each other
  3. These have spaces between them
  4. All of the above

Answer. 4. All of the above

Question 19. Identify the odd one out taking state of matter into consideration:

  1. Sponge
  2. Lemonade
  3. A stretched rubber band
  4. A metal block

Answer. 2. Lemonade

Question 20. Which of these is correct for diffusion?

  1. Diffusion takes place only in gases.
  2. Diffusion takes place only in liquids.
  3. Diffusion does not take place in solids.
  4. Diffusion takes place in all the three states of matter, viz. solids, liquids, gases.

Answer. 4. Diffusion takes place in all the three states of matter, viz. solids, liquids, gases.

Question 21. From the given options, which metal has the highest melting point?

  1. Fe
  2. W
  3. B
  4. Cr

Answer. 2. W

Question 22. How can gases be liquefied?

  1. Increase the pressure, increase the temperature
  2. Increase the pressure, lower the temperature
  3. Lower the pressure, increase the temperature
  4. Lower the pressure, lower the temperature

Answer. 2. Increase the pressure, lower the temperature

Question 23. What is plasma?

  1. A state of matter
  2. A type of gas
  3. Combination of three states of matter
  4. None of the above

Answer. 1. A state of matter

Question 24. Which of these is not an example of diffusion?

  1. When we bake, the smell of cake spreads.
  2. We put salt in pickles.
  3. When we sneeze, the virus spread.
  4. Smell of the burning incense stick spreads in the house.

Answer. 2. We put salt in pickles.

Question 25. Which state of matter will have maximum fluidity?

  1. Liquids
  2. Gases
  3. Both have equal fluidity
  4. None of the two possess fluidity

Answer. 2. Gases

Question 26. In which of the following conditions, the rate of evaporation will be low?

  1. Humidity of air is low
  2. Surface area is increased
  3. Increasing the temperature of the liquid
  4. Decreased wind speed

Answer. 4. Decreased wind speed

Question 27. Which of the following will have highest intermolecular force of attraction?

  1. Dry ice
  2. CO2
  3. H2O
  4. Liquid ethyl alcohol

Answer. 1. Dry ice

Question 28. The change of state from vapour to liquid is known as __________.

  1. Condensation
  2. Evaporation
  3. Diffusion
  4. Sublimation

Answer. 1. Condensation

Question 29. What is the conversion of solid state to liquid state known as?

  1. Fusion
  2. Diffusion
  3. Vaporization
  4. Sublimation

Answer. 1. Fusion

Question 30. Why does ice have cooling effects and steam has burning effects?

  1. Water molecules have low energy in ice and high energy in steam.
  2. Water molecules have high energy in ice and low energy in steam.
  3. Both have same molecular energy but ice take energy from body so has a cooling effect.
  4. None of these

Answer. 1. Water molecules have low energy in ice and high energy in steam.

Question 31. Who discovered the random movement of particles?

  1. John Dalton
  2. Robert Brown
  3. Kanada
  4. None of these

Answer. 2. Robert Brown

Question 32. When potassium permanganate is put in water, the colourless water attains purple colour. What could be the possible reasons?

1. The particles of water and potassium permanganate are in motion.

2. The process of diffusion is taking place.

3. The process of sublimation is taking place.

4. Only the particles of potassium permanganate are moving.

  1. Option (1) only
  2. Options (1) and (2)
  3. Options (1) and (3)
  4. Only option (4)

Answer. 2. Options (1) and (2)

Question 33. Which two gases dissolve in water by diffusion?

  1. Nitrogen and helium
  2. Nitrogen and oxygen
  3. Oxygen and carbon dioxide
  4. Carbon dioxide and helium

Answer. 3. Oxygen and carbon dioxide

Question 34. According to Robert Brown observation, which of the given statements is/are correct?

1. The speed of particles decrease with increase in temperature.

2. The speed of particles increase with increase in temperature.

3. The particles move in a linear motion.

4. The particles move in a zigzag motion.

  1. 1 and 4
  2. 1 and 3
  3. 2 and 3
  4. 2 and 4

Answer. 4. 2 and 4

Question 35. Which of the following will have a fixed volume

  1. Only solids
  2. Only liquids
  3. Only gases
  4. Both solids and Liquids

Answer. 4. Both solids and Liquids

Question 36. Latent heat of vaporization causes state change at which temperature?

  1. 100 degree C
  2. 373 K
  3. Below boiling point of liquid
  4. Both (a) and (b)

Answer. 4. Both (a) and (b)

Question 37. Out of the given statements, which two statements are not true:

1. Evaporation takes place at the surface of the liquid but boiling takes place throughout the mass of liquid.

2. Evaporation is a rapid process, boiling is a slow process.

3. Evaporation takes place at constant temperature.

4. Boiling takes place at constant temperature.

  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 3 and 4

Answer. 2. 2 and 3

Question 38. Identify which of the following show evaporation:

  1. Obtaining common salt from sea water
  2. Sweating
  3. Drying of clothes
  4. All of the above

Answer. 4. All of the above

Question 39. What can you say about plasma?

1. It is a mixture of free electrons and ions

2. It contains only electrons

3. It can also be artificial

  1. 1 is correct, but 2 and 3 are incorrect
  2. Only 1 is incorrect
  3. 1 and 3 are correct
  4. Only 2 is correct

Answer. 3. 1 and 3 are correct

Question 40. Choose the correct statement/s

1. Gases have high densities

2. Liquids have high compressibility

3. Solids have minimum kinetic energy of particles

  1. Only 1
  2. Only 2
  3. Only 3
  4. 1 and 3

Answer. 3. Only 3

Question 41. Why does alcohol exist in liquid state at room temperature?

  1. It is highly compressible
  2. Its melting point is below room temperature
  3. It possess strong intermolecular force
  4. Both (a) and (b)

Answer. 4. Both (a) and (b)

Question 42. Which of the following has the strongest interparticle forces at room temperature?

  1. Oxygen
  2. Water
  3. Bromine
  4. Iron

Answer. 4. Iron

Question 43. The characteristic features of solids are

  1. Definite shape
  2. Definite size
  3. Definite shape and size
  4. Definite shape, size and rigidity

Answer. 4. Definite shape, size and rigidity

Question 44. Which is not a property of solids

  1. Solids are always crystalline in nature
  2. Solids have high density and low compressibility
  3. The diffusion of solids is very slow
  4. Solids have definite volume

Answer. 1. Solids are always crystalline in nature

Question 45. Which of the following is matter?

  1. Love
  2. Thought
  3. Cold
  4. Cold drink

Answer. 4. Cold drink

Question 46. Which one of the following statements is not correct about the three states of matter?

  1. Molecules of a solids posses least energy whereas those of a gas possess highest energy
  2. The density of solid is highest whereas that of gases is lowest
  3. Gases like liquids possess definite volumes
  4. Molecules of a solids possess vibratory motion

Answer. Gases like liquids possess definite volumes

Question 47. The change of state from gas to liquid is called

  1. Fusion
  2. Condensation
  3. Sublimation
  4. Vaporization

Answer. 2. Condensation

Question 48. Which of the following has highest intermolecular forces of attraction?

  1. Liquid water
  2. Liquid ethyl alcohol
  3. Gaseous CO2
  4. Solid CO2

Answer. 4. Solid CO2

Question 49. Arrange the following substances in the increasing order of intermolecular forces of attraction

1. Salt

2. Water

3. Carbondioxide

  1. (3) < (2) < (1)
  2. (3) > (2) > (1)
  3. (2) < (1) > (3)
  4. (1) < (2) > (3)

Answer. 1. (3) < (2) < (1)

Question 50. The change of state from solid to gas is called

  1. Fusion
  2. Condensation
  3. Sublimation
  4. Vaporization

Answer. 3. Sublimation

Question 51. The change of state from liquid to vapour is called

  1. Fusion
  2. Condensation
  3. Sublimation
  4. Vaporization

Answer. 4. Vaporization

Question 52. Kinetic energy of molecules is highest in

  1. Gases
  2. Solids
  3. Liquids
  4. Solutions

Answer. 1. Gases

Question 53. Dry ice is

  1. Water in solid state
  2. Water in gaseous state
  3. CO2 in liquid state
  4. CO2 in solid state

Answer. 4. CO2 in solid state

Question 54. The physical state of water at 10ºC is

  1. Solid
  2. Liquid
  3. Gas
  4. May be solid or liquid

Answer. 3. Gas

Question 55. The substance which can readily sublime is

  1. Ammonium chloride
  2. Sodium chloride
  3. Hydrochloric acid
  4. Chlorine gas.

Answer. 1. Ammonium chloride

Question 56. The large volumes of gases can be put into small volumes of cylinders because of their property known as

  1. Sublimation
  2. Compressibility
  3. Evaporation
  4. Solidification.

Answer. 2. Compressibility

Question 57. 0ºC temperature may be written in Kelvin scale as

  1. 300 K
  2. 273 K
  3. 27 K
  4. All of the above

Answer. 2. 273 K

Question 58. Which of the following is not a matter?

  1. Chair
  2. Air
  3. Smell
  4. Cold drink

Answer. 3. Smell

Question 59. 400 K temperature may be written in celsius scale as

  1. 300ºC
  2. 127ºC
  3. 27ºC
  4. 573ºC

Answer. 2. 127ºC

Question 60. The physical state of water at 0ºC is

  1. Ice
  2. Vapour
  3. Dry ice
  4. None of these

Answer. 1. Ice

Question 61. 500 K temperature may be written in celsius scale as

  1. 227ºC
  2. 500ºC
  3. Both (a) and (b)
  4. None of these

Answer. 1. 227ºC

Question 62. The temperature at which a liquid changes into gas is known as

  1. Melting point
  2. Transition point
  3. Boiling point
  4. Kelvin point.

Answer. 3. Boiling point

Question 63. Which of the following factor does not increase the rate of evaporation?

  1. Increase of temperature
  2. Increase in wind speed
  3. Increase in surface area
  4. Increase in humidity

Answer. 2. Increase in wind speed

Question 64. Which of the following statement is correct?

  1. Liquids have fixed shape
  2. Gases have a fixed volume and a fixed shape
  3. Liquids can be compressed easily
  4. Gases can be compressed easily

Answer. 4. Gases can be compressed easily

Question 65. Which of the following is correct regarding evaporation

  1. It causes cooling
  2. It is a surface phenomenon
  3. The rate of evaporation increases with increases in temperature
  4. All of these

Answer. 4. All of these

Question 69. The quantity of matter present in an object is called its:

  1. Weight
  2. Gram
  3. Mass
  4. Density

Answer. 3. Mass

Question 70. Which of the following is not matter

  1. Blood
  2. Moon rock
  3. Electron
  4. Humidity

Answer. 4. Humidity

Question 71. Which of the following is an incorrect statement:

  1. Matter is continuous in nature.
  2. Of the three state of matter, the one that is most compact is solid state.
  3. In solid state interparticles space (i.e., empty space) is minimum.
  4. The density of solid is generally more than that of a liquid

Answer. 1. Matter is continuous in nature.

Question 72. Put of the following which is the densest state of matter?

  1. Solids
  2. Liquids
  3. Gases
  4. Plasmas

Answer. 4. Plasmas

Question 73. As of the 1990s, scientists have proved the existence of how many states of matter?

  1. Two
  2. Three
  3. Four
  4. Five

Answer. 1. Two

Question 74. _________is any substance which has mass and occupies space.
Answer. Matter

Question 75. Who of the following gave the modern definition of matter consisting of atom and molecule?

  1. John Dalton
  2. J C Bose
  3. Albert Einstein
  4. N. Tesla

Answer. 1. John Dalton

Question 76. Which of the following is called fifth state of matter?

  1. Plasma
  2. Iodide
  3. Super-heated gases
  4. Bose–Einstein condensate

Answer. 4. Bose-Einstein condensate

Question 77. ________ is random movement of particles suspended in a fluid (liquid or gas) resulting from their collision with the fast-moving atoms or molecules in the gas or liquid.
Answer. Brownian motion

Question 78. 99% of the universe consists of which state of the matter?

  1. Solid
  2. Liquid
  3. Gas
  4. PlasmaAnswer. 4. Plasma

Question 6. The process by which the particles move from high density to low density to spread evenly in whole region is called ___________.
Answer. Diffusion

Question 79. The boiling point of alcohol is 78°C. What is this temperature in Kelvin scale:

  1. 373 K
  2. 351 K
  3. 375 K
  4. 78 K

Answer. 2. 351 K

Question 80. In which phenomena water changes into water vapour below its B.P.?

  1. Evaporation
  2. Condensation
  3. Boiling
  4. No such phenomena exist

Answer. 1. Evaporation

Question 81. The liquid which has the highest rate of evaporation is:

  1. Petrol
  2. Nail- polish remover
  3. Water
  4. Alcohol

Answer. 1. Petrol

Question 82. The state of matter which consists of super energetic particles in the form of ionized gases is called:

  1. Gaseous state
  2. Liquid state
  3. Bose- Einstein condensate
  4. Plasma state

Answer. 4. Plasma state

Question 83. The force that binds the particles of matter together is known as:

  1. Intermolecular space
  2. Bond
  3. Intermolecular force
  4. Nuclear force

Answer. 3. Intermolecular force

Question 84. The change of a liquid into vapour is called:

  1. Vapourization
  2. Solidification
  3. Sublimation
  4. None of these

Answer. 1. Vapourization

Question 85. Which is the process by which the solid converts directly into gas?

  1. Deposition
  2. Sublimation
  3. Freezing
  4. Condensation

Answer. 2. Sublimation

Question 86. Higher the humidity _______ is the evaporation.

Answer. Inversely, lower

Question 87. What happens to the temperature of the surface when evaporation takes place?

  1. Increase
  2. Decreases
  3. Remains unchanged
  4. First increases then decreases

Answer. 2. Decreases

Question 88. Which of the following does not increase the rate of evaporation?

  1. Surface area
  2. Humidity of air
  3. Atmospheric pressure
  4. Wind direction

Answer. 4. Wind direction

Question 89. Which of the following is the point at which gas converts into liquid?

  1. Freezing point
  2. Boiling point
  3. Dew point
  4. Melting point

Answer. 3. Dew point

Question 90. In which year the Nobel Prize on Bose’s formula was given?

  1. 2001
  2. 2002
  3. 1920
  4. 1925

Answer. 1. 2001

Question 91. Which one of the following sets of phenomena would increase on raising the temperature?

  1. Diffusion, evaporation, compression of gases
  2. Evaporation, compression of gases, solubility
  3. Evaporation, diffusion, expansion of gases
  4. Evaporation, solubility, diffusion, compression of gases

Answer. 3. Evaporation, diffusion, expansion of gases

Question 92. Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions

  1. Low temperature, low pressure
  2. High temperature, low pressure
  3. Low temperature, high pressure
  4. High temperature, high pressure

Answer. 3. Low temperature, high pressure

Question 93. The property to flow is unique to fluids. Which one of the following statements is correct?

  1. Only gases behave like fluids
  2. Gases and solids behave like fluids
  3. Gases and liquids behave like fluids
  4. Only liquids are fluids

Answer. 3. Gases and liquids behave like fluids

Question 94. During summer, water kept in an earthen pot becomes cool because of the phenomenon of

  1. diffusion
  2. transpiration
  3. osmosis
  4. evaporation

Answer. 4. evaporation

Question 95. A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement?

  1. Water, air, wind
  2. Air, sugar, oil
  3. Oxygen, water, sugar
  4. Salt, juice, air

Answer. 3. Oxygen, water, sugar

Question 96. On converting 25°C, 38°C and 66°C to Kelvin scale, the correct sequence of temperature will be

  1. 298 K, 311 K and 339 K
  2. 298 K, 300 K and 338 K
  3. 273 K, 278 K and 543 K
  4. 298 K, 310 K and 338 K

Answer. 1. 298 K, 311 K and 339 K

Question 97. Choose the correct statement of the following

  1. conversion of solid into vapours without passing through the liquid state is called vapourisation.
  2. conversion of vapours into solid without passing through the liquid state is called sublimation.
  3. conversion of vapours into solid without passing through the liquid state is called freezing.
  4. conversion of solid into liquid is called sublimation.

Answer. 2. conversion of vapours into solid without passing through the liquid state is called sublimation.

Question 98. The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C,56°C and 118°C respectively. Which one of the following correctly represents their boiling points in Kelvin scale?

  1. 306 K, 329 K, 391 K
  2. 308 K, 329 K, 392 K
  3. 308 K, 329 K, 391 K
  4. 329 K, 392 K, 308 K

Answer. 3. 308 K, 329 K, 391 K

Question 99. Which condition out of the following will increase the evaporation of water?

  1. Increase in temperature of water
  2. Decrease in temperature of water
  3. Less exposed surface area of water
  4. Adding common salt to water

Answer. 1. Increase in temperature of water

Question 100. In which of the following conditions, the distance between the molecules of hydrogen gas would increase?

1. Increasing pressure on hydrogen contained in a closed container

2. Some hydrogen gas leaking out of the container

3. Increasing the volume of the container of hydrogen gas

4. Adding more hydrogen gas to the container without increasing the volume of the container

  1. (1) and (3)
  2. (1) and (4)
  3. (2) and (3)
  4. (2) and (4)

Answer. 3. (2) and (3)

Question 101. What is the unit of latent heat?

Answer. J/kg

Question 102. The value of latent heat of vaporization of water in cal/g is _______

  1. 220
  2. 330
  3. 540
  4. None of these

Answer. 3. 540

Question 103. Identify which conversion will require larger amount of energy?

1. 1 kg of ice at 0°C _______ 1 kg of water at 0°C.

Answer. Doesn’t require more energy.

2. 1 kg of water at 100°C _______ 1 kg of steam at 100°C.

Answer. Will require more energy.

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