Bleaching action of bleaching powder is due to its _____________ properties ?

Related Mcqs:

1. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ____________________?

   A. Slaked lime
   B. Soda lime
   C. Calcium perchlorate
   D. None of these

2. Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc ?

   A. Sodium silicate
   B. Sodium borate
   C. Sodium tripolyphosphate (STPP)
   D. Caustic soda

3. The end bleaching agent used to move last traces of colour bodies from the pulp is ____________________?

   A. Chlorine dioxide (ClO2)
   B. MgO
   C. SO2 gas
   D. Mercaptans

4. Bleaching of paper pulp is done with__________________?

   A. Activated clay
   B. Bromine
   C. Chlorine or chlorine dioxide
   D. Magnesium sulphite

5. Gun powder, which is an explosive comprises of charcoal, sulphur and____________________?

   A. Glycerine
   B. Salt petre
   C. Nitro glycerine
   D. Dynamite

6. _________________ is not a constituent of gun powder?

   A. Carbon
   B. Charcoal
   C. Sulphur
   D. Potassium nitrate

7. Gun powder uses_____________________?

   A. Sulphur
   B. Charcoal
   C. Potassium nitrate
   D. All A , B, & C.

8. Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have___________________?

   A. High electrical insulation properties
   B. Sharp melting points
   C. Low co-efficient of thermal expansion
   D. Compressive strength much greater than their tensile strengths

9. 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at _____________ °C ?

   A. < 0
   B. 10-30
   C. 250-280
   D. 500-600

10. Liquor poisoning generally occurs due to the presence of _________________ in it ?

    A. Ethyl alcohol
    B. Impurities
    C. Methyl alcohol
    D. Carbonic acid