Question

On the basis of given figure, read the following statements and choose the correct option. (i) Oil present in test tube A cuts off the presence of air. (ii) CaCl2 is used for absorbing moisture in the test tube C. (iii) Rusting decreases on adding saline water in test tube B. *

A) I and III are correct
B) I and II are correct
C) Only III is correct
D) All are correct

Answer 1

Answer:

here is the answer:-

B) I and II are correct is the correct answer..

Explanation:

Answer 2

Answer:

In test tubes c corrosion of nails will not take place.

For corrosion to take place, air ( or oxygen), water and iron, all three should be in contact.

In test tube a , layer of oil separates air from nails and boiled distilled water.

In test tube c , anhydrous calcium chloride ensures that no moisture is present.

Explanation: