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JEE Exam  >  JEE Test  >  Chapter-wise Tests Main & Advanced  >  JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - JEE MCQ

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation


MCQ Practice Test & Solutions: JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements (9 Questions)

You can prepare effectively for JEE Chapter-wise Tests for JEE Main & Advanced with this dedicated MCQ Practice Test (available with solutions) on the important topic of "JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements". These 9 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: 20 minutes
  • - Number of Questions: 9

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JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 1
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Copper can be extracted from (1978)

Detailed Solution: Question 1

Malachite is CuCO3 . Cu (OH)2 it is ore of copper.

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 2
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In the alumino-thermite process, aluminium acts as                   (1983 - 1 Mark)

Detailed Solution: Question 2

Al reduces Fe2O3 or Cr2O3 to respective metals and acts as a reducing agent.
Fe2O3 + 2Al → Al2O3 + 2Fe

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JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 3
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The chemical composition of ‘slag’ formed during thesmelting process in the extraction of copper is (2001S)

Detailed Solution: Question 3

NOTE : During the extraction of copper, iron is present in the ore as impurity (FeS).
The ore together with a little coke and silica is smelted; FeS present as impurity in the ore is oxidized to iron oxide, which then reacts with silica to form fusible ferrous silicate which is removed as slag.

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 4
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Which of the following process is used in the extractive metallurgy of magnesium?  (2002S)

Detailed Solution: Question 4

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 5
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Which ore contains both iron and copper?           (2005S)

Detailed Solution: Question 5

Cuprite : Cu2O; Chalcocite : Cu2S; Chalcopyrite : CuFeS2;
Malachite: Cu(OH)2.CuCO3. We see that CuFeS2 contais both Cu and Fe.

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 6
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Extraction of zinc from zinc blende is achieved by                      (2007)

Detailed Solution: Question 6

NOTE : Extraction of Zn from ZnS (Zinc blende) is achieved by roasting followed by reduction with carbon.
2ZnS + 3O2 → 2ZnO + 2SO2
ZnO + C → Zn + CO

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 7
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Oxidation states of the metal in the minerals haematite andmagnetite, respectively, are                 (2011)

Detailed Solution: Question 7

(i) Haematite is Fe2O3 in which Fe is present in III oxidation state.
(ii) Magnetite (Fe4O3) is an equimolar mixture of FeO and Fe2O3.
Oxidation state of Fe in FeO is II.
Oxidation state of Fe in Fe2O3 is III.

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 8
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In the cyanide extraction process of silver from argentiteore, the oxidising and reducing agents used are              (2012)

Detailed Solution: Question 8

The reactions involved in cyanide extraction process are :

JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements - Question 9
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Sulfide ores are common for the metals (JEE Adv. 2013)

Detailed Solution: Question 9

Silver, copper and lead are commonly found in earth's crust as Ag2S (silver glance), CuFeS2 (copper pyrites) and PbS (galena)

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This test contains 9 MCQs on JEE Advanced (Single Correct MCQs): General Principles & Processes of Isolation of Elements with detailed solutions for each question. It is part of the Chapter-wise Tests 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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