Concentration of sulphide ores is done usually by____________________?

Related Mcqs:

Extraction of _________________ employs an electrolytic process ?

A. Aluminium B. Silver C. Copper D. All A, B. and C...

Penicillin is separated from fermented broth by ____________________?

A. Extraction with amyl or butyl acetate B. Ternary Azeotropic distillation C. Evaporator in calandria D. Extractive distillation...

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?

A. Sodium sulphide & sodium carbonate B. Sodium sulphite & sodium carbonate C. Sodium sulphite & sodium sulphide D. None of these...

Glass is__________________?

A. Mainly CaO B. Subjected to galvanising C. A super cooled liquid D. All A , B. and C....

Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material ?

A. Slag cement B. Glasses C. Porcelain/Potteries D. Teflon...