Chemical formula of ‘salt cake’ is____________________?

Related Mcqs:

1. Salt cake is chemically represented by_________________?

   A. Na2SO4
   B. CaSO4. ½H2O
   C. MgSO4
   D. BaSO4

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

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

3. Chemical formula of oleum is_________________?

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

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

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

5. Salt is added in the kettle during soap manufacture to separate ___________________?

   A. Soap from lye
   B. Glycerine from lye
   C. The metallic soap
   D. The unsaponified fat from soap

6. Metallic soap is ________________ salt of fatty acids ?

   A. Sodium
   B. Potassium
   C. Both sodium & potassium
   D. Aluminium or calcium

7. Which of the following is the main constituent of the mother liquor produced in salt industry ?

   A. Quick lime
   B. Glauber’s salt
   C. Salt petre
   D. Bromine

8. Glauber’s salt is chemically represented by____________________?

   A. Na2SO4.10H2O
   B. CaCl(OCl)
   C. CaSO4.H2O
   D. (NH4)2SO4

9. An alkali metal salt of Palmitic acid is known as _____________________?

   A. Soap
   B. Metallic soap
   C. Detergent
   D. Alkaloid

10. Common salt is generally not produced commonly by ________________ method from brine ?

    A. Freeze drying
    B. Electrolytic
    C. Solar evaporation
    D. Vacuum evaporation