Which of the following statements is true about Ca(OH)2?

1. It is used in the preparation of bleaching powder

2. It is a light blue solid

3. It does not possess a disinfectant property

4. It is used in the manufacture of cement


 

  


Hint: Ca(OH)2 is white in colour

Calcium hydroxide is used in the manufacture of bleaching powder.
2Ca(OH)2Slakedlime+2Cl2ColdCaCl2+Ca(OCl)2Bleacingpowder+2H2O