In the Ellingham diagram for the solid metals $A$ and $B$ , gaseous oxides ${BO}_{2}$ and $AO$ are:

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Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)

HARD

Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 19 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise 1>Q 26

In which of the following metal extraction following steps are involved?
(i) Roasting
(ii) Carbon reduction
(iii) Electrolytic refining

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 19 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise 1>Q 27

Extraction of gold involves which of the following process?

EASY

Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 19 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise 1>Q 28

Which of the following reaction is not occur in blast furance during extraction of iron:

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 19 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise 1>Q 29

How many of the following minerals are oxides of metals/metalloids:
(i) Bauxite (ii) Corundum (iii) Dolomite (iv) Malachite (v) Magnetite (vi) Pyrolusite (vii) Argentite (viii) Horn silver (ix) Quartz (x) Cryolite (xi) Siderite (xii) Zincite (xiii) Calamine (xiv) Sylvine (xv) Carnallite

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course JEE Advanced>Chapter 19 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise 1>Q 30

How many of the following refining processes are correctly matched with their element?
Liquation-Tin, Fractional distillation-zinc, Zone refining-Germanium, Poling-Tin, Van Arkel-Titanium, Cupellation-Silver.