_______________ is used as a flux in the smelting of copper ore like chalcopyrite ?

Related Mcqs:

Pick out the wrong statement ?

A. Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively B. Protein catalysts are called enzymes C. The rate of chemical reaction is independent of the concentration of reactants at high concentration of enzymes D. Total sugar content in molasses is about 10%...

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...

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...

Hydrophilic group of a soap or detergent solution is____________________?

A. Water hating B. Soil loving C. Water loving D. None of these...

The main component of Pyrex glass is_____________________?

A. Zinc B. Lead C. Boron D. Selenium...