Bleaching powder is made from which of the following chemicals?

Options :
  1. Sulphur dioxide and Gypsum
  2. Chlorine and Charcoal
  3. Soda ash and Lime
  4. Lime and Chlorine
Answer and Explanation :-

Answer: Option 4


Bleaching Powder is the commercial name of Calcium Chlorohypochloride. It is considered a mixed salt of hydrochloric acid and hypochlorous acid. Its chemical formula is CaOCl2.H2O. It is manufactured by the action of Chlorine (Cl) on dry slaked lime or Calcium hydroxide [Ca(OH)2]. It is widely used as a Cleaning Agent, for Sterilization and other purposes.

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Which of the following gases is the gas that is filled in the electric bulb?

Next Question : Which of the following metals remain in a liquid form under normal conditions?

Click here for online test on General Science


 (Getemail alerts when others member replies)

He's acting as foolish as a kitten... but then, everyone's entitled to a little foolishness once in a while.
-Christopher Paolini Inheritance