What solid compound is formed on heating sodium bicarbonate ?

Which compound is solid ?

Sodium formate on heating with soda lime give:

How is mono- carboxylic acid prepared from ester ? How does it react with sodium bicarbonate ?

Give reasons: Why phenol being an acid does not react with Sodium bicarbonate solution.

An organic compound gives hydrogen on reacting with sodium metal. It also gives iodoform test and forms an aldehyde of molecular formula C_(2)H_(4)O on oxidation with acidified dichromate. Name the compound and give the equation of these reactions.