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Physical and Chemical Changes — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYPhysical and Chemical Changes3 Marks
Question
Given reason: Burning of paper is a chemical change.
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Answer

When a piece of paper is burnt a new substance ash is produced. Even when the burning is stopped, the ash cannot be changed back into paper. This shows that the formation of the ash from paper is a permanent and irreversible change.

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