Physical and Chemical Changes — CHEMISTRY STD 7 — Question
ICSE BoardEnglish MediumSTD 7CHEMISTRYPhysical and Chemical Changes2 Marks
Question
What is a physical change ?
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Answer
A physical change is a temporary change in which no new substance is formed, and the chemical composition of the original substance is not altered. Examles : melting of wax, freezing of water, breaking a chalk piece, etc.
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