Physical and Chemical Changes — CHEMISTRY STD 7 — Question
ICSE BoardEnglish MediumSTD 7CHEMISTRYPhysical and Chemical Changes2 Marks
Question
What is a chemical change ?
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Answer
A chemical change is a permanent change in which the original substance loses its own composition and properties and give rise to one or more new substances. Examples : Rusting of iron, digestion of food, ripening of fruits, etc.
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