Question

Give two examples where expansion and contraction aap metals is utilised

Answer 1

Answer:

Following are the applications of expansion and contraction of materials: The jammed metal lid of a jam jar can be expanded and opened by heating. In many thermometers, mercury is used.

Answer 2

Answer:

Following are the applications of expansion and contraction of materials: The jammed metal lid of a jam jar can be expanded and opened by heating. In many thermometers, mercury is used

Explanation:

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