Question

Essential ICSE Chemistry for Class 5
7. When a solid vaporises without melting, the change in state is called ....... (sublimation/freezing
8. A gas tends to move from a ...... to a ...... pressure zone. (high/low)​

Answer 1

Answer:

7.Sublimation

8.high to low

Answer 2

Explanation:

when a solid vapourises without melting the change in state is called sublimation.

a gas tends to move from a high pressure zone to a low pressure zone.

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