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

Related Mcqs:

Nylon-6 as compared to Nylon-66 is having higher___________________?

A. Hardness B. Abrasion/resistance C. Melting point D. None of these...

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...

Thermoplastic materials_____________________?

A. Do not soften on application of heat B. Are heavily branched molecules C. Are solvent insoluble D. None of these...

Insulin is an __________________ drug?

A. Anti-malarial B. Anti-TB C. Antibiotic D. None of these...

High temperature carbonisation of coal takes place at __________________ °C?

A. 2000 B. 700 C. 1100 D. < 500...