Calgon used in water treatment is chemically ____________________?

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. Grignard reagent is chemically known as ____________________?

   A. Ethyl magnesium chloride
   B. Methyl magnesium chloride
   C. Dichlorophenol
   D. Monochloroacetic acid

3. Baking soda is chemically represented by__________________?

   A. Na2CO3
   B. NaHCO3
   C. Na2CO3.H2O
   D. Na2CO3.10H2O

4. Prussian blue is chemically represented by__________________?

   A. FeO.TiO2
   B. Ca SO4 . 2H2O
   C. Fe4 [Fe (CN6)3]
   D. AlF3 . 3NaF

5. Salt cake is chemically represented by_________________?

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

6. Neoprene is chemically known as___________________?

   A. Polybutadiene
   B. Styrene butadiene rubber (SBR)
   C. Polyurethane
   D. Polychlorophrene

7. Dense soda ash used in the manufacture of glass, is chemically represented by__________________?

   A. Na2CO3
   B. Na2CO3.10H2O
   C. Na2CO3.H2O
   D. Na2HCO3

8. Glauber’s salt is chemically represented by____________________?

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

9. Gypsum is chemically __________________ ?

   A. Calcium chloride
   B. Potassium sulphate
   C. Sodium sulphate
   D. Calcium sulphate

10. Washing soda is chemically represented by _________________?

    A. Na2CO3
    B. Na2CO3.H2O
    C. Na2CO3.10H2O
    D. NaHCO3