Question

$X$ is used in the manufacture of $Y$ which is used as a disinfectant. What are $X$ and $Y$?

• A. Ammonium hydroxide, Ammonium phosphate
• B. Sodium hydroxide, Rayon
• C. Calcium hydroxide, Bleaching powder
• D. None of the above

Answer 1

The correct option is C Calcium hydroxide, Bleaching powder

Among the given options, we know that bleaching powder is used as a disinfectant.

It is prepared by the action of chlorine on calcium hydroxide(dry slaked lime).

So, $X$ is calcium hydroxide and $Y$ is bleaching powder.