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A compound A is used in preparation of washing soda to recover ammonia in Solvay's process. When C O 2 is bubbled through an aqueous solution of A , the solution turns milky. It is used in white washing due to disinfectant nature. What is the chemical formula of A?

Options

  1. AC a ( H C O 3 ) 2
  2. BC a O
  3. CC a ( O H ) 2
  4. DC a C O 3

Correct answer

C. C a ( O H ) 2

Step-by-step solution

Here Compound A is calcium hydroxide and the milky solution is of calcium carbonate.

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