Chemical 'A' is used for water softening to remove temporary hardness.'A' reacts with Sodium Carbonate to genarate caustic soda.what is 'A'?

Asked by Ankit Kumar | 21st Oct, 2013, 08:34: PM

Expert Answer:

A is calcium hydroxide.   Reaction:   Ca(OH)2 + Na2CO3  ? 2NaOH + CaCO3   'A'   Calcium hydroxide is used to remove temporary hardness.

Aswered by Vaibhav Chavan | 22nd Oct, 2013, 09:14: AM

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