Question

5. Three experiments to study the process
of rusting are given below. Observe the
three test tubes and answer the following
questions.
air
dry air
oil
water boiled
rusted water
calcium
nail
chloride
Test tube 1 Test tube 2 Test tube 3
a. Why the nail in the test tube 2 is not
rusted ?
b. Why is the nail in the test tube 1 is rusted
highly?
c. Would the nail in the test tube 3 get
rusted ?​

Answer 1

Explanation:

a) because it is not in contact with moisture or also air

b) because of presence of both air and water

c) no because it's just in contact with oxygen

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Answer 2

Answer:

a)in test tube two water molecules are not reacted to air present in the test tube

b)water molecules are reacted with moisted air

c)nope