Question

givew two example of each of the following​

Answer 1

Answer:

reversible.

1. burning of candle

2. boiling of water

irreversible

1. burning of wood

2. burning of paper

material that expand on heating

1. metal

2. iron

Explanation:

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Answer 2

Answer:

reversible change: 1 freezing water to make ice

2 changing water into vapour

irreversible change: 1 baking cake

2 converting milk into curd

materials that expand on heating: 1 copper(solid)

2 mercury(liquid)

Explanation:

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