Question

describe an activity by which you can prove that air and water are necessary for corrosion.​

Answer 1

Answer:

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Explanation:

calcium chloride will absorb moisture from air .

Leave all these test tubes for a few days

and then observe them.

You will observe that iron nails in test tube A' get rusted. ...

From this activity we conclude that both air and water are necessary for corrosion (Rusting) of iron.

Answer 2

Your answer

Pour boiled distilled water in test tube B, add about 1 ml of oil and cork it. The oil will float on water and prevent the air from dissolving in the water. Put some Anhydrous Calcium Chloride in test tube C and cork it. Anhydrous Calcium Chloride will absorb the moisture, if any, from the air

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