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Question

Which of the following changes is caused due to heat?

A
Stretching of rubber band
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B
Cooking of food
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C
Folding of paper
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D
Rusting of iron
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Solution

The correct option is B Cooking of food
Cooking of food requires heating using a gas stove, but stretching a rubber band, or folding paper or rusting of iron do not require heat for the change.

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