Question

The most electropositive metals are isolated from their ores by

A. high temperature reduction with carbon
B. self reduction
C. thermal decomposition
D. electrolysis of fused ionic salts  
Answer :   electrolysis of fused ionic salts
Solution :
Most electropositive metals are obtained by electrolysis of their fused ionic salts.

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

Practice More Releted MCQ Question on
Ores and Metallurgy

Practice More MCQ Question on Chemistry Section

Physical ChemistrySome Basic Concepts in ChemistryStoichiometryStates of Matter Solid, Liquid and GasAtomic StructureChemical ThermodynamicsSolutionsSolid StateSurface ChemistryChemical EquilibriumIonic EquilibriumChemical KineticsRedox ReactionElectrochemistryNuclear Chemistry
Inorganic ChemistryChemical Bonding and Molecular StructureOres and MetallurgyClassification of Elements and Periodicity in PropertiesHydrogenS - Block ElementsP - Block ElementsD and F Block ElementsCo - ordination CompoundsQualitative AnalysisPreparation and Properties of CompoundsEnvironmental Chemistry
Organic ChemistryGeneral Organic ChemistryIsomerismPurification and Characterisation of Organic CompoundsHydrocarbons (Alkane, Alkene and Alkyne)Aromatic hydrocarbonElectrophilic Aromatic Substitution (Haloalkanes and Haloarenes)Alkyl and Aryl HalideReactions on BenzeneAlcohol, Phenol and EtherAldehyde and KetoneCarboxylic AcidOrganic Compounds Containing NitrogenName ReactionsPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistry