Bromine is used in the preparation of___________________?

Related Mcqs:

1. Sea water contains about ______________________ ppm of bromine ?

   A. 5
   B. 70
   C. 500
   D. 1700

2. Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

   A. SO3
   B. Cl2
   C. NH3
   D. SO2

3. Bromine content in sea water may be around _________________ ppm?

   A. 70
   B. 640
   C. 1875
   D. 2500

4. CO & H2 are the constituents of___________________?

   A. Producer gas
   B. Water gas
   C. Coke oven gas
   D. All A., B. and C.

5. CaCl(OCl) is the chemical formula of___________________?

   A. Hypo
   B. Bleaching powder
   C. Plaster of Paris
   D. Aqua regia

6. Hydrazine is used in water treatment for the removal of___________________?

   A. Colloidal impurities
   B. Dissolved oxygen
   C. Turbidity
   D. Chlorinous taste

7. Rotary kiln is not involved in the production of___________________?

   A. Cement
   B. Lime from limestone
   C. Slaked lime from quick lime
   D. None of these

8. Neoprene is the trade name of___________________?

   A. Polyurethane
   B. Phenol formaldehyde
   C. Polychlorophrene
   D. Styrene-butadiene rubber

9. Sodium carbonate (soda ash) is not used in the manufacture of___________________?

   A. Fire extinguishers
   B. Sugar
   C. Baking powder
   D. Detergents

10. Le-Blanc process is a primitive process for the manufacture of___________________?

    A. Caustic soda
    B. Soda ash
    C. Bromine from sea water
    D. Hydrochloric acid