Question

In Hall-Heroult process how much carbon anode is burnt away to produce each $$1kg$$  of aluminium?

A. 0.3$$\,kg$$
B. 0.5$$\,kg$$  
C. 1$$\,kg$$
D. 0.1$$\,kg$$
Answer :   0.5$$\,kg$$
Solution :
For each $$kg$$  of $$Al$$  produced, about $$0.5\,kg$$  of carbon anode is burnt away.

Releted MCQ Question on
Inorganic Chemistry >> Ores and Metallurgy

Releted Question 1

Copper can be extracted from

A. Kupfernical
B. Dolomite
C. Malachite
D. Galena
View Answer
Releted Question 2

In the alumino-thermite process, aluminium acts as

A. an oxidizing agent
B. a flux
C. a reducing agent
D. a solder
View Answer
Releted Question 3

The chemical composition of ‘slag’ formed during the smelting process in the extraction of copper is

A. $$C{u_2}O + FeS$$
B. $$FeSi{O_3}$$
C. $$CuFe{S_2}$$
D. $$C{u_2}S + FeO$$
View Answer
Releted Question 4

Which of the following process is used in the extractive metallurgy of magnesium?

A. fused salt electrolysis
B. self reduction
C. aqueous solution electrolysis
D. thermite reduction
View Answer

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Ores and Metallurgy

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Physical ChemistrySome Basic Concepts in ChemistryStoichiometryStates of Matter Solid, Liquid and GasAtomic StructureChemical ThermodynamicsSolutionsSolid StateSurface ChemistryChemical EquilibriumIonic EquilibriumChemical KineticsRedox ReactionElectrochemistryNuclear Chemistry
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