Question

A man painted his main gate made up of iron, to

1. prevent it from rusting. 2. protect it from the sun. 3. make it look beautiful. 4. make it dust-free.​

Answer 1

Answer:

prevent it from rusting

Explanation:

For rusting, the presence of air(oxygen) and moisture(water) is required. Painting prevents direct interaction of iron, air and moisture. Hence, painting of an iron gate prevents it from rusting.

Answer 2

Answer:

1. prevent it from rusting

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