Complete and balance the following equations:

(a) NaOH +....... Na2S04 + H20


(b) Ca(OH)2 +.... CaC03 + H20

(a) 2NaOH + H2S04 Na2S04 + 2H20

Sodium hydroxide reacts with Sulphuric acid to give Sodium sulphate and water.


(b) Ca(OH)2 + C02 CaC03 + H20


Calcium hydroxide reacts with carbon dioxide to give Calcium carbonate and water.


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