Question

Explain the phenomenon of change of state of water

Answer 1

Answer:

water present as liquid get converted into

solid by cooling and

gas by heating

gas into water by vapourisation

gas to solid and solid to gas called sublimation

solid to liquid is melting

Answer 2

Answer:

• Physical state of water at room temperature is liquid. But its state can also be changed into solid by cooling and into vapours by heating .

• When we boli water it converts into vapour. And when we freeze it, it's become solid ice cube. Water below freezing point is a solid and above boling point is vapour.