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JEE Exam  >  JEE Test  >  Chemistry Main & Advanced  >  General Principles and Processes of Isolation of Metals - 2 - JEE MCQ

General Principles and Processes of Isolation Metals - 2 - Free MCQ Test


MCQ Practice Test & Solutions: General Principles and Processes of Isolation of Metals - 2 (30 Questions)

You can prepare effectively for JEE Chemistry for JEE Main & Advanced with this dedicated MCQ Practice Test (available with solutions) on the important topic of "General Principles and Processes of Isolation of Metals - 2". These 30 questions have been designed by the experts with the latest curriculum of JEE 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 60 minutes
  • - Number of Questions: 30

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General Principles and Processes of Isolation of Metals - 2 - Question 1
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General Principles and Processes of Isolation of Metals - 2 - Question 2
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General Principles and Processes of Isolation of Metals - 2 - Question 3
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General Principles and Processes of Isolation of Metals - 2 - Question 5
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Assertion : For the extraction of iron, haematite ore is used.
Reason : Haematite is a carbonate ore fo iron.

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Extration of Fe is done from Haematite or this is true but reason is strong as Haematitte is Fe2O3.
∴ Ans. 4

General Principles and Processes of Isolation of Metals - 2 - Question 6
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Match column (I) with column (II) and select the correct answer using codes given below in the lists.


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Cyanide process → Ag; Self reduction → Pb; Electrolytic reduction → Al, Carbon reduction → Sn.

General Principles and Processes of Isolation of Metals - 2 - Question 7
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The chemical processes in the production of steel from haematite ore involve :

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General Principles and Processes of Isolation of Metals - 2 - Question 8
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General Principles and Processes of Isolation of Metals - 2 - Question 9
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Which does not represent correct method ?

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Calcination.

General Principles and Processes of Isolation of Metals - 2 - Question 10
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Match List-I with List-II and select the correct answer using the codes given below the lists.


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In the Bayer's process pure aluminium oxide is obtained from the bauxite ore. A low melting metal like tin can be refined by liquation method. Electrolysis is used in the refining of gold.

General Principles and Processes of Isolation of Metals - 2 - Question 11
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General Principles and Processes of Isolation of Metals - 2 - Question 13
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Main function of frothers is:

General Principles and Processes of Isolation of Metals - 2 - Question 14
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(a) → van – Arkel method for Zr – Hg

→ Based on volatile nature of halides of methods.

General Principles and Processes of Isolation of Metals - 2 - Question 15
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With respect to an ore, Ellingham diagram helps to predict the feasibility of its -

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Thermal reduction

Reduction by (C) and (CO)

General Principles and Processes of Isolation of Metals - 2 - Question 16
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Among the following statements, the incorrect one is :

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(A) Calamine = ZnCO3 , Siderite = FeCO3

(B) Argentite = Ag2S and cuprite = Cu2O

(C) Zinc blende = ZnS, Pyrites = FeS2

(D) Malachite = CuCO3 Cu(OH)2 , Azurite = 2CuCO3 Cu(OH)2

General Principles and Processes of Isolation of Metals - 2 - Question 17
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General Principles and Processes of Isolation of Metals - 2 - Question 18
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Main function of frothers is:

General Principles and Processes of Isolation of Metals - 2 - Question 19
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Which does not represent correct method ?

Detailed Solution: Question 19

Calcination.

General Principles and Processes of Isolation of Metals - 2 - Question 20
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The one that is not a carbonate ore is :

Detailed Solution: Question 20

Malachite = CuCO3. Cu(OH)2
Bauxite = Al2O3 . 2H2O or AlOx . (OH)3–2x (where D < x < 1)
Calamine = ZnCO3
Siderite = FeCO3
Ans is Bauxite option-2.

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General Principles and Processes of Isolation of Metals - 2 - Question 26
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NaCN is sometimes added in the froth flotation process as a depressant when ZnS and PbS minerals are expected because :

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ZnS + 4NaCN → Na2[Zn(CN)4] (soluble complex) + Na2S

General Principles and Processes of Isolation of Metals - 2 - Question 27
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The chemical composition of “slag“ formed during the smelting process in the extraction of copper is :

Detailed Solution: Question 27

FeO + SiO2 → FeSiO3

General Principles and Processes of Isolation of Metals - 2 - Question 28
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General Principles and Processes of Isolation of Metals - 2 - Question 29
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Which of the following statements is correct regarding the slag obtained during the extraction of a metal like copper or iron ?

General Principles and Processes of Isolation of Metals - 2 - Question 30
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When haematite ore is burnt in air with coke along with lime at 200°C, the process not only produces steel but also produces an important compound (A), which is useful in making building materials. The compound (A) is

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This test contains 30 MCQs on General Principles and Processes of Isolation of Metals - 2 with detailed solutions for each question. It is part of the Chemistry for JEE Main & Advanced course on EduRev, designed to align with the current JEE syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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