Question

In winter, it is hard to open the metal lid of a tight container. But when you

gently heat the neck you can easily open the lid. Why?

(a) On heating, the lid contracts

(b) Lid expands on heating and becomes slippery

(c) Neck becomes slippery on heating

(d) The lid of the bottle does not expand or contract on heating​

Answer 1

Answer:

(b) Lid expands on heating and becomes slippery

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Answer 2

Answer:

Option B

Explanation:

This is because of lid being made Of metal conducts heat better and faster therfore expands more than the glass Container