Question

Some metals like iron and copper lose more luster on exposure to air . Choose the correct reason

A.iron and copper react with dust particles and cause them to lose luster.

B.Iron and copper react with the carbon dioxide present in air and they lose their luster.

C.Since Iron and copper do not react with the oxygen and moisture present in air they lose their luster.

D.Iron and copper react with the oxygen and moisture present in air and lose their luster.

Answer 1

Answer:

I think so B

Explanation:

B option is the correct one

I think so

Answer 2

Answer:

D) Iron and copper react with the oxygen and moisture present in air and lose their luster

Explanation:

The metals lose their shine or lustre beacuse they rust. Rusting is the oxidation of iron or iron objects. It takes place in the presence of air and moisture

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