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Which process is a physical change? iron rusting milk turning to curd water boiling paper burning hard water staining pipes

Which process is a physical change? iron rusting milk turning to curd water boiling paper burning hard water staining pipes
165k views
2 votes
Which process is a physical change?

iron rusting
milk turning to curd
water boiling
paper burning
hard water staining pipes

User Mmrobins
by
7.3k points

1 Answer

5 votes
water boiling, no cheamical bonds have been altered.
User Karim Mtl
by
8.2k points
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