Question

Match the following. 1 A white efflorescent crystal sodium hydroxide 2 Hygroscopic dehydrating agent sodium sulphate 3. A deliquescent alkali Conc.sulphuric acid 4. A substance present in temporary calcium oxide Hard water 5. hygroscopic substance calcium bicarbonate

Answer 1

Answer:

1. A white efflorescent crystal              :     Sodium sulphate

2. Hygroscopic dehydrating agent     :     Conc. Sulphuric acid

3. A deliquescent alkali                        :     Sodium Hydroxide

4. A substance present in temporary Hard water : calcium bicarbonate

5. hygroscopic substance                     :     calcium oxide