Question

1. what will happen when a liquid is heated.
2. a gas can exert pressure on the wall of a container

Answer 1

Answer:

Explanation:

1) when a liquid is heated it will start boiling

2) the particles of gas are free to move with random speed so they e exert pressure on the wall of the container

Answer 2

1 .It will change into gas when it reaches melting point.

2.The particles gas has wide space and to cover it , the particles move vigorously . Therfore hits the wall of Container .

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