PHYSICS [1 Mark Question Answer]

Adhesives are the substances that have the capacity to join and hold different types of material together by adhesion.

On heating, liquids expand more than solids because of weaker intermolecular force of attraction between their molecules.

The kinetic energy of molecules is directly proportional to the temperature of the substance.

The process of conversion of a solid into its liquid state, at a particular temperature, on heating is called fusion.

The process of conversion of a liquid into its gaseous state, at a particular temperature, on
heating is called vaporization.

The temperature at which a vapour or a gas changes to a liquid is called the condensation point of the gas.

An element is defined as a substance that cannot be subdivided into two or more simpler substances by any physical or chemical method.

The process of conversion of vapour or gas into its liquid state, at a particular temperature, on cooling is called condensation.

The temperature at which a liquid freezes to become a solid is called the freezing point of the liquid.

Condensation is responsible for the formation of clouds.