Phosphate rock is a raw material for the manufacture of____________________?

Related Mcqs:

1. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?

   A. 75
   B. < 10
   C. > 30
   D. 50

2. Salt is the basic raw material for the manufacture of____________________?

   A. Cement
   B. Glass
   C. Potteries
   D. Caustic soda

3. Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?

   A. Trichloroethylene
   B. Perchloroethylene
   C. Parathion
   D. Methanol

4. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?

   A. 10
   B. 50
   C. 80
   D. 95

5. In the manufacture of viscose rayon, the raw material used industrially is ____________________?

   A. Eucalyptus wood
   B. Bamboo
   C. Bagasse
   D. Fine teak wood

6. Starting raw material for the manufacture of alum is_________________?

   A. Alumina
   B. Gypsum
   C. Bauxite
   D. Ammonium bicarbonate

7. Which of the following is not a raw material used for the manufacture of ordinary glass ?

   A. Iron oxide
   B. Soda ash
   C. Limestone
   D. Silica

8. Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?

   A. Sulphuric acid
   B. Phosphoric acid
   C. Hydrochloric acid
   D. Hydrofluoric acid

9. Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?

   A. Phenol
   B. Naphthalene
   C. Benzene
   D. Pyridine

10. Starting raw material for the manufacture of Maleic anhydride is___________________?

    A. n-butene
    B. Benzene
    C. Either A. or B.
    D. Neither A. nor B.