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Matter in Our Surroundings

Chemistry, Matter in our Surroundings, IX

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are correct?

a. The energy supplied to the particles during heating is used to overcome the forces of attraction.
b. A gas is liquefied by applying high pressure and increasing the temperature.
c. Gaseous state of ammonia at room temperature is an example of vapour.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and c
  5. Only b and c
Question 2 Multiple Choice (Single Answer)

Which of the following statements is correct?

  1. Gases have no open surface.
  2. There is extreme attraction between gaseous particles.
  3. Inter-molecular force is maximum in gases.
  4. Gases can flow from higher levels to lower levels and are thus, called fluids.
  5. Gases have rigidity and compressibility.
Question 3 Multiple Choice (Single Answer)

The intermixing of particles of two substances on their own is known as which of the following processes?

  1. Solidification
  2. Diffusion
  3. Condensation
  4. Liquification
  5. Fusion
Question 4 Multiple Choice (Single Answer)

Which of the following is the transition of a substance directly from the solid to the gas phase, without passing through an intermediate liquid phase?

  1. Evaporation
  2. Solidification
  3. Condensation
  4. Sublimation
  5. Diffusion
Question 5 Multiple Choice (Single Answer)

Which of the following substances has the maximum order of attraction between the particles?

  1. Milk
  2. Kerosene oil
  3. Salt
  4. Methane
  5. Propane
Question 6 Multiple Choice (Single Answer)

Which of the following properties is not a characteristic of liquids?

  1. Diffusion
  2. Definite volume
  3. Definite shape
  4. Compressibility
  5. Fluidity
Question 7 Multiple Choice (Single Answer)

Which of the following substances has an open surface and definite boundaries?

  1. Water
  2. Nitrogen
  3. Oxygen
  4. CNG
  5. Sponge
Question 8 Multiple Choice (Single Answer)

Which of the following does not have plasma?

  1. Sun
  2. Stars
  3. Hotel sign containing neon gas
  4. Fluorescent tube containing helium gas
  5. Oxygen tank
Question 9 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect?
a. Latent heat of fusion is the amount of heat energy required to change 1 kg of a liquid into gas at atmospheric pressure at its melting point.
b. Humidity decreases the rate of evaporation.
c. Gases have the weakest inter-molecular forces.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and b
  5. Only b and c
Question 10 Multiple Choice (Single Answer)

Which of the following substances follow the process of sublimation?

  1. Ice
  2. Salt
  3. Sugar
  4. Mustard oil
  5. Camphor
Question 11 Multiple Choice (Single Answer)

Which of the following is an example of diffusion?

  1. Sponge soaking up water.
  2. Sprinkling water on plants.
  3. Naphthalene balls disappearing in air after leaving uncovered for a while.
  4. Spraying perfume in air.
  5. Wax melting in the sun.
Question 12 Multiple Choice (Single Answer)

Which of the following statements is/are correct?
a. The space in between the constituent particles and kinetic energy of the particles are minimum in the case of solids.
b. The state of matter can be changed by changing temperature or pressure.
c. Evaporation causes cooling.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and c
  5. All of these
Question 13 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect?
a. Boiling is a bulk phenomenon.
b. Evaporation is a surface phenomenon.
c. Rate of evaporation decreases with speed of wind.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and c
  5. Only b and c
Question 14 Multiple Choice (Single Answer)

Match the following columns
Quantity Unit
A. Temperature 1. Newton
B. Weight 2. Pascal
C. Pressure 3. Kelvin
  1. A-1, B-2, C-3
  2. A-2, B-1, C-3
  3. A-3, B-2, C-1
  4. A-3, B-1, C-2
  5. A-1, B-3, C-2
Question 15 Multiple Choice (Single Answer)

Which of the following are the various states of matter?
a. Solid
b. Liquid
c. Gas
d. Plasma
e. Bose Einstein condensate

  1. Only a and b
  2. Only a, b and c
  3. Only a, b, c and d
  4. All of these
  5. Only a, b, c and e
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