Explain why tearing of paper is physical change whereas burning of paper is a chemical change?

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Solution

In tearing of paper, no new substance is formed. Therefore, it is a physical change. Whereas in burning of paper, a new substance called ash is formed. This new substance differs from the original substance (paper) in its appearance and properties. Therefore, burning of paper is a chemical change.

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Similar questions

Burning of paper is a physical change.

Give reason:

(a)Freezing of water to ice and evaporation of water are physical changes.

(b)Burning of a candle is both a physical and a chemical change.

(c)Burning of paper is a chemical change.

(d)Cutting of a cloth piece is a physical change, though it cannot be reversed.

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