3S6 Kinetic model of matter

Which of the following properties cannot be explained by the kinetic theory of particle?

• Density
• Compressibility 
• Shape
• Colour

Which of the following is not a property of a solid?

• It expands a little when heated compared to a liquid
• It takes any shape of a container
• It is not easy to be compressed
• It usually has a higher density than a gas

What would be the change when heat is supplied to a gas?

• The particles in the matter expand tremendously.
• The particles move randomly in all directions.
• The average kinetic energy of the particles increases.
• The particles contract and occupy lesser space.

Which of the following statements explains the Brownian motion of smoke particles?

• It is the collision between the smoke particles.
• It is the collision between the smoke particles and the wall of a container.
• It is the collision between the smoke particles and air particles.
• It is the collision between the smoke particles and the light.

Which of the following has the lowest density?

• Diamond
• Rock
• Water
• Helium

No Definite Shape and No Definite Volume

• Gas
• Liquid
• Solid

Thermal energy always moves:

• From a high temperature object to a lower temperature object.
• From a lower temperature object to a higher temperature object.
• From an object with lower kinetic energy to an object with higher kinetic energy.
• From an object of higher mass to an object of lower mass.

If an object has particles that are moving very slowly, the object's temperature is probably ______.

• hot
• small
• cold
• big

Which substance is the gas?

• A
• B
• C