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12 October, 15:15

Which process is a physical change?

A. iron rusting

B. milk turning to curd

C. water boiling

D. paper burning

E. hard water staining pipes

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Answers (2)
  1. 12 October, 16:40
    0
    C is the correct answer
  2. 12 October, 19:01
    0
    Water boiling is a physical change. Physical changes do not change the substance's makeup; boiling, melting, and other changes in matter are physical because they do not alter the substance, while the other choices do change the chemical makeup of the substance.
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