Washing soda is chemically represented by _________________?

Related Mcqs:

1. Baking soda is chemically represented by__________________?

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

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

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

3. Prussian blue is chemically represented by__________________?

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

4. Salt cake is chemically represented by_________________?

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

5. Glauber’s salt is chemically represented by____________________?

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

6. Zeolite used in water softening process (cation exchange) is regenerated by washing with___________________?

   A. Brine B. Chloramines C. Sodium bisulphite D. Liquid chlorines...

7. The gasification reaction represented by, C + H2O = CO + H2, is a/an _________________ reaction?

   A. Exothermic B. Endothermic C. Catalytic D. Autocatalytic...

8. Neoprene is chemically known as___________________?

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

9. Calgon used in water treatment is chemically ____________________?

   A. Sodium phosphate B. Sodium hexametaphosphate C. Calcium phosphate D. Tricresyl phosphate...

10. Bakelite is chemically known as_____________________?

    A. Polyvinyl chloride (PVC) B. Polybutadiene C. Phenol formaldehyde D. Polyurethane...