Question

Name a metal which :

1. Reacts violently with water liberating hydrogen.
2. Does not react with steam or dil. HCl.
3. Is divalent and displaces hydrogen from water.
4. Displaces hydrogen from caustic soda but does
not react with dil. HCl.
5. Displaces hydrogen from very dilute nitric acid.
6. Does not react with dil. sulphuric acid but
reacts with steam liberating hydrogen.
7. Displaces hydrogen from dil. HCl and dil. H2SO4 but not from dil. nitric acid.
8. Reacts violently when placed in any dilute acid.
9. Displaces hydrogen from cold water forming a
colourless solution.
10.Displaces hydrogen from steam leaving behind
an amphoteric residue.​

Answer 1

Answer:

1. Pottasium

2. Copper

3. Nitrogen

4. Zinc

5. Sodium

6. Copper

7. Copper

8. Iron

9. Calcium

10. Magenisum