Chemistry questions for class 7 ICSE please answer all questions as first as possible when answer please inform me.
Asked by jahangirhossain848
| 22nd Oct, 2019,
09:52: PM
Expert Answer:
Ans. 3
Conditions necessary for rusting of iron
i. Presence of air (or oxygen)
ii. Presence of water (or moisture)
Answered by Ramandeep
| 24th Oct, 2019,
03:42: PM
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