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Changes Around Us: Physical and Chemical — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceChanges Around Us: Physical and Chemical1 Mark
Question
What is chemical change?
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Answer

A change in which one or more new substances are formed is called chemical change. A chemical change is caused by a chemical reaction. For example, formation of curd from milk, burning of paper, etc.

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