Chemical name of ‘alum’ is__________________?

Related Mcqs:

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

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

2. Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove____________________?

   A. Colour
   B. Turbidity
   C. Bacteria
   D. All A , B. and C.

3. Alum is commercially produced from___________________?

   A. Gypsum
   B. Feldspar
   C. Galena
   D. Bauxite

4. Chemical formula of BHC, which is an insecticide is__________________?

   A. C6H6Cl6
   B. C6Cl6
   C. C6H5Cl
   D. C6H4Cl2

5. Chemical name of Grignard reagent is__________________?

   A. Sodium thiosulphate
   B. Ethyl magnesium chloride
   C. Sodium sulphite
   D. Sodium bicarbonate

6. Chemical formula of oleum is_________________?

   A. H2SO3
   B. H2SO4
   C. H2S2O7
   D. H2SO7

7. Chemical formula of ‘salt cake’ is____________________?

   A. Na2SO4
   B. CaSO4
   C. MgSO4
   D. BaSO4

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

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

9. Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?

   A. Carbon
   B. Arsenic
   C. Lead
   D. Sulphur

10. At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

    A. Independent of
    B. Directly proportional to
    C. Inversely proportional to
    D. Proportional to the square of