Sand and ______________ is fused at 1300°C, to produce sodium silicate ?

Related Mcqs:

1. The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by_________________?

   A. Electrolysis B. Electrolytic reduction C. Electrolytic oxidation D. None of these...

2. Finely ground calcium aluminate & silicate is a/an ____________________?

   A. Cermet B. Cement C. Abrasive D. Explosive...

3. ______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?

   A. Oxidising B. Reducing C. Complex forming D. Photochemical...

4. ______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?

   A. Chlorine B. Ammonium chloride C. Sodium carbonate D. Sodium bi-carbonate...

5. ______________ process is used for the manufacture of sodium carbonate by ammonia soda process?

   A. Ostwald’s B. Bosch C. Solvay D. Haber’s...

6. Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?

   A. Brighten the faint images B. Remove metallic silver C. Convert silver chloride to silver D. Remove unexposed silver halide...

7. Which of the following has sodium bicarbonate as its main constituent ?

   A. Baking soda B. Baking powder C. Washing soda D. None of these...

8. Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?

   A. Explosive B. Soap C. Detergent D. Analgesic drug...

9. Sodium carbonate (soda ash) is not used in the manufacture of___________________?

   A. Fire extinguishers B. Sugar C. Baking powder D. Detergents...

10. Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?

    A. Hard B. Soft C. Metallic D. Lubricating...