Phosphate rock is a raw material for the manufacture of____________________?

Related Mcqs:

Which of the following processes can remove both temporary as well as permanent hardness of water ?

A. Filtration B. Boiling C. Distillation D. None of these...

The most commonly used substance to speed up the sedimentation of sewage is___________________?

A. Lime B. Sulphuric acid C. Chlorine D. Sodium bisulphite...

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

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

Pick out the wrong statement ?

A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction B. Chloral is obtained by the chlorination of ethyl alcohol C. Insecticides acting on the insects through the respiratory system are called fumigants D. Benzene hexachloride is not a contact insecticide...

The major constituent of black liquor generated during paper manufacture is sodium___________________?

A. Sulphate B. Carbonate C. Hydroxide D. Bi-carbonate...