Can we prepare potassium bicarbonate by Solvay process?

What is the action of heat on Na₂CO₃.10H₂O?

State as to why a solution of Na₂CO₃ is alkaline.

What happens when:
(i) sodium carbonate reacts with the milk of lime.
(ii) sodium carbonate is added to water.
(iii) sodium carbonate reacts with a dilute mineral acid?

How is sodium hydroxide manufactured? Discuss in brief the details of the process.
Or
With the help of a diagram, show the reactions at the cathode and anode in the manufacture of sodium hydroxide by the Castner - Kellner process.

Name a few important uses of sodium hydroxide. 

Complete the following reactions:

148.

Explain what happens when:
(i) Sodium hydrogen carbonate is heated
(ii) Sodium amalgam reacts with water
(iii) Fused sodium metal reacts with ammonia? 

Explain the significance of sodium, potassium, calcium and magnesium in biological fluids ?

State as to why sodium is found to be more useful than potassium.