What changes in the property of the particles will be noticed when : (i) Heat is supplied to a substance in a gaseous state?(ii) A crystal of iodine is heated?(iii) Pressure is applied on a gas?

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Solution

(i) Heat is supplied to a substance in a gaseous state- The molecule/atoms of gas acquire kinetic energy.
(ii) A crystal of iodine is heated- The crystal of iodine sublimate and change to iodine vapours.
(iii) Pressure is applied on gas- The gas particles come close to each other.

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