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Subjects
Science CBSE
Class 10
Metals and non-metals
Textbook based HOTS
22.
Multiple Choice Question Answer XXII
Exercise condition:
2
m.
1.
Which of the following methods is suitable for preventing an iron vessel from rusting ?
Applying grease
Applying paint
Applying a coating of zinc
All the above
2.
Which of the following conditions are necessary for rusting of iron?
Presence of water only
Presence of air only
Presence of water and air both
None of these
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