Iron ore hematite is concentrated using ____________________?

Related Mcqs:

Economics of ‘Solvay Process’ depends upon the efficiency of __________________?

A. Carbonating tower B. Ammonia recovery C. Ammonia recovery and size of the plant D. Ammoniation of salt solution...

Teflon is___________________?

A. Phenol formaldehyde B. An inorganic polymer C. Poly tetra-fluoro-ethylene (P.T.F.E.) D. A monomer...

Naphthalene is removed from coke oven gas by ________________________?

A. Adsorbing on palladium B. Absorbing in ethanolamine C. Scrubbing with wash oil D. Passing it through electrostatic precipitator...

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?

A. Oxidation of Na+ ions B. Oxidation of Cl- ions C. Reduction of Na+ ions D. Reduction of Cl- ions...

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because__________________?

A. Its calorific value is very less B. Tar neutralises the residual acids present in pitch C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop D. All A, B. and C....