Question

Fill in the blanks :
(a) The change of a solid into a liquid is called
(b) The process in which a solid directly
changes into gas is called ................
(c) The change of water vapour into water is
called ..............
(d) The temperature at which a liquid starts
changing into its vapour state is ............​

Answer 1

Answer:

When solid ice gains heat, it changes state from solid ice to liquid water in a process called melting. Ice cubes in a cold drink, for example, gradually melt. ... When water absorbs enough heat, it becomes a gas (water vapor). This process is called evaporation.

Answer 2

Explanation:

1. fusion.

2.sublimation.

3evaporation.

4. boiling point.

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