melting of ice is called physical change but rusting of iron is called chemical change, why?
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Answer:
ok
Explanation:
The rusting of ion is a chemical change because the iron atoms form chemical bonds with the oxygen atoms to form iron oxide molecules.
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Answer: Hello
Your Answer
Explanation:
1) Because in melting no new substance is formed but in rusting new substance is formed which is completly different from the initial one
2)To obey law of conservation of mass
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