Question

Write the observation and inference for the given set of reaction. Test tube ‘1’ has an iron nail immersed in boiled water. The water surface is covered by molten wax. Test tube ‘2’ has an iron nail immersed in boiled water.

Answer 1

Answer:

in 1st test tube nothing will happen but in 2nd rusting takes place

Answer 2

Answer:

In test tube 1

• there is no change appear in iron nail , because there is no air are present

In test tube 2

• there are some changes in iron nail. rust on the surface of iron , because there are no molten wax or oil covered water surface .

Explanation:

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