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Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceTwo statementsEasyConceptual

JEE Main 11 April 2023, Shift 2, Chemistry Q65

Question 65 of 90 in this shift, Chemistry question 5 of 30, Section A.

Given below are two statements : Statement I : In the metallurgy process, sulphide ore is converted to oxide before reduction. Statement II : Oxide ores in general are easier to reduce. In the light of the above statements, choose the most appropriate answer from the options given below:
  1. (1)Both Statement I and Statement II are correctOfficial answer
  2. (2)Both Statement I and Statement II are incorrect
  3. (3)Statement I is correct but Statement II is incorrect
  4. (4)Statement I is incorrect but Statement II is correct

Official answer

Option 1

NTA final key.

Chapter
General Principles and Processes of Isolation of Elements
Topic
Metallurgical Extraction
Idea tested
Reducing Agent Selection

Same topic in other shifts

All Metallurgical Extraction questions
  1. 8 Apr 2023, Shift 2 · Q65In Hall - Heroult process, the following is used for reducing Al2O3\mathrm{Al_2O_3} :-EasySingle correct
  2. 11 Apr 2023, Shift 1 · Q65In the extraction process of copper, the product obtained after carrying out the reactions (i)…EasySingle correct
  3. 12 Apr 2023, Shift 1 · Q66Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : In the Ellingham…MediumAssertion–reason
  4. 13 Apr 2023, Shift 1 · Q65Which one of the following is most likely a mismatch ?MediumSingle correct
  5. 15 Apr 2023, Shift 1 · Q65Which one of the following is not an example of calcination?EasySingle correct
  6. 25 Jul 2022, Shift 1 · Q67The compound(s) that is(are) removed as slag during the extraction of copper is : (A) CaO\mathrm{CaO} (B) FeO\mathrm{FeO} (C)…MediumOther

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.