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

Gujarat BoardEnglish MediumSTD 7ScienceChanges Around Us: Physical and Chemical2 Marks
Question
Burning of crackers is a chemical change. Justify the given statement.
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Answer

The burning of crackers is a chemical change because new substances are formed along with heat, light, and sound, and the change is irreversible.

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