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CBSE Class 7 Answered

(i) What kind of a change is rusting?

(ii) Can damp air cause rusting?

Asked by Topperlearning User | 29 Apr, 2014, 02:42: PM
Expert Answer

(i) Rusting is a chemical change.

(ii) Damp air contains both oxygen and water required for the rusting of iron to occur. So, damp air can cause rusting.

Answered by | 29 Apr, 2014, 04:42: PM
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