Question

DISCUSS PHYSICAL CHANGES IN WATER

Answer 1

1. Ice melting involves a change from a solid to a liquid and the substances maintain the properties of water because the molecules never change.

2. Water boiling is a physical change as water molecules vibrate faster, they enter the gas phase and become water vapor.

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Answer 2

Explanation:

States of water can be written as follows :-

1) Liquid state

2) Water vapur ( gaseous state )

3) Solid state ( ice )

The state change in water can be written as follows :-

Water boiling is a physical change as water molecules vibrate faster, they enter the gas phase and become water vapor.

Ice melting involves a change from a solid to a liquid and the substances maintain the properties of water because the molecules never change.