Question

Select the correct words from the list given below to complete the following word equations : 

Metallic oxide, active metal, metallic carbonate, metallic bisulphite, active metal, metallic hydroxide, metallic bicarbonate, metallic sulphate, metallic sulphide. 

1. _____ + hydrochloric acid (dil) → salt + hydrogen 

2. _____ + hydrochloric acid (dil) → salt + water 

3. _____ + hydrochloric acid (dil) → salt + water + carbon dioxide 

4. _____ + hydrochloric acid (dil) → salt + water + sulphur dioxide 

5. _____ + hydrochloric acid (dil) → salt + hydrogen sulphide

Answer 1

1. active metal 

2. metallic hydroxide 

3. metallic carbonate / bicarbonate 

4. metallic sulphite 

5. metallic sulphide.