Q38 of 270 Page 97

What is the common name of sodium hydrogencarbonate?

Baking soda.


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32

Write the formulae of sodium chloride and sodium carbonate. Explain why an aqueous solution of sodium chloride is neutral but an aqueous solution of sodium carbonate is basic (or alkaline). Write chemical equations of the reactions involved.

 33

Write the chemical formula of ammonium chloride. Explain why an aqueous solution of ammonium chloride is acidic in nature? Illustrate your answer with the help of a chemical equation.

 38

What happens when a solution of sodium hydrogencarbonate is heated? Write equation of the reaction involved.

 38

Explain why, sodium hydrogencarbonate is used as an antacid.