Question

what is the ans of these questions​

Answer 1

Explanation:

B. 1.Oxygen

2.Iron oxide (Ferric oxide)

3.Hydrogen

4.Non metals do not react with dilute acid

C. 1.Copper

2.Oxygen

3.Pop

4.Carbon dioxide

5.Silver

6.Displace

D. 1.Mercury

2.Silver oxide

3.Bromine

4.Metalloids

5.Hydrogen gas