Define gaseous state of a substance.

How will you account for the following : (a) Density of a substance in the solid state is more than in the liquid state. (b) Ice floats over water although it is a solid. (c ) Diffusion is maximum in the gaseous state of a substance.

Define the gaseous state of a substance . Mention the important characteristics of the gaseous state.

Tabulate the differences among the solid , liquid and gaseous states of a substance .

The gaseous state of a substance has the maximum fluidity .

Define liquid state of a substance. Write the important characteristics associated with the liquid state.

" The arrangement of particles in the solid state of a substance is more ordered tan in its gaseous state ." Explain.

Define melting point of a substance.State the effect of pressure on it.

Statements given below are incorrect. Write the correct statements: The solid state of the substance in case of evaporation is known as sublime and the gaseous state as sublimate.

State true or false. If false, give the correct statement. Density is defined as the mass of the substance contained in unit volume.

State whether the following statements are true or false. a) Density is defined as the mass of the substance contained in unit volume.