Question

What happens when:
1. we beat the iron nail and pencil lead with a hammer
2. we Test the solution of water and rust with red and blue litmus
3. When a copper vessel is exposed to moist air for long
4. Sulphur is burnt in air and the gas produced is dissolved in water and tested with litmus paper
5. A small piece of sodium is kept in water
6. Zinc granules are put in dil hydrochloric acid
7. Iron nail is put in the copper sulphate solution

Answer 1

Answer:

please refer to the attachment

Answer 2

Explanation:

1. the nail becomes flat and the pencil lead turns into small tiny powder.

2. the answer will be basis.

3. the copper vessel will turn into blueish-green

4. the answer will be basis.

5. it will burst as the second you keep it in the water.

7. due to method of electroplating all the copper will stick on iron nail.

may it helps you...I am not 100% sure