1.

What do you mean by change of state of(a) the change of a solid into a liquid at ab) the change of a liquid into a gas at amatter ? Explain:constant temperature, andconstant temperature

Answer»

achangefrom onestate(solid or liquid or gas) to another without achangein chemical composition. phasechange, phase transition, physicalchange.

thank you

a)meltingThe process of change of solid substance into its liquid state is called melting or fusion. The constant temperature at which the solid becomes liquid upon absorption of heat at constant pressure is called the melting point of that solid at that pressure.



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