Science, asked by 884495, 10 hours ago

pls answer pls answer me

these 3 qué..​

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Answered by mahilakra14
0

Answer: a. The articles of iron get fully covered with reddish brown powdery substance when in contact with oxygen and water. It is a chemical change because the iron's chemical properties get changed.

b. That substance is rust.[rusting of iron]

c.  Prevent it by-

Use non-corrosive metals, such as stainless steel or aluminium

Explanation:

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