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
plz write observation and conclusion​

Answer 1

Answer:

1)The pencil lead will be broken

2) don't know

3)the green layer appears

4)don't know

5)it will dissolve

6)don't know

7) a brown coating of copper will be on iron nail