After partial roasting, the sulphide of copper is reduced byA. Reducti – InterviewSolution

InterviewSolution

1.	After partial roasting, the sulphide of copper is reduced byA. Reduction by carbonB. ElectrolysisC. Self reductionD. Cyanide process
Answer» Correct Answer - C

Discussion

No Comment Found

Related InterviewSolutions

Bessemer converter is used for Atomic nos, `Mn = 25, Fe = 26, Co = 27, Ni = 28`A. Pig ironB. SteelC. Wrought ironD. Cast iron
Electrolytic reduction method is used fro the extraction ofA. Highly electronegative elementB. Transition metalC. MetalloidsD. Highly electropositive element
The chemical formula of diaspore an ore of alumium isA. `Al_(2)O_(3).H_(2)O`B. `Al_(2)O_(3)`C. `Al_(2)O_(3).2H_(2)O`D. `Al(OH)_(3)`
Extraction of zinc from zinc blende is achieved by:A. electrolytic reductionB. roasting following by reduction with carbonC. roasting followed by reduction with another metalD. roasting followed by self-reduction
Two prevent corrosion iron pipes carrying drinking water are coated with zinc. The process involved isA. Alloy formationB. ElectroplatingC. GalvanisingD. Soldering
Blister copper is:A. Pure copperB. Copper containing 2% impurityC. Alloy of copperD. None
Spelter isA. Impure CuB. Impure ZnC. ZnOD. CuO
Red how steel rod on suddenly immersing in water becomesA. Soft and malleableB. Hard and brittleC. Tough and ductileD. Fibrous
Which statement about corrosive sublimate is incorrect ?A. It is prepared by heating mercury and chlorineB. It reduce stannic chlorideC. It oxidises stannous chlorideD. It sublimes readily
Polling process us used in the purification ofA. GeB. BiC. CuD. Fe