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Chemistry - General Principles and Processes of Isolation of Metals

Practise 53 MHTCET previous year questions on General Principles and Processes of Isolation of Metals, compiled from papers spanning 2008 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHTCET tests.

General Principles and Processes of Isolation of Metals has been asked in 13 of the 17 years of MHTCET papers analysed (2007–2026), with 53 questions in all. 83% of them were easy, 13% moderate and 4% tough. Most of its questions came from 2020, with 29 questions that year. In the last three years (2024–2026) it had 4 questions across 59 papers, about 0.1 per paper.

The chapter's 5 topics are not weighted equally: Minerals and ores (22 questions, 42%), Extraction of Metals (13 questions, 25%), and Refining of Crude Metal (11 questions, 21%) have been asked the most. Minerals and ores has also led over the last five years, with 6 questions. Extraction of Metals has produced the most tough questions (2).

  1. 1Which from following is a mineral of copper?15 May, 2024 (M)Minerals and ores
  2. 2Which among the following minerals contains radioactive element in it?11 May, 2024 (E)Minerals and ores
  3. 3Identify a mineral of zinc from following.04 May, 2024 (M)Minerals and ores
  4. 4Identify elements present in copper pyrites.02 May, 2024 (M)Minerals and ores
  5. 5What different elements are found in baryte?09 May, 2023 (E)Minerals and ores
  6. 6What are the different elements present in mineral barite?07 Aug, 2022 (E)Minerals and ores
  7. 7Identify the correct pair of minerals and its formula from following.22 Sep, 2021 (M)Minerals and ores
  8. 8Identify the mineral from following containing aluminium20 Oct, 2020 (M)Minerals and ores
  9. 9Which following compound acts as a flux in extraction of copper from copper pyrites20 Oct, 2020 (M)Flux and Refractory materials
  10. 10Which among the following is a mineral of copper?20 Oct, 2020 (E)Minerals and ores
  11. 11Which of the following magnetic impurity is present in Cassiterite ore?20 Oct, 2020 (E)Minerals and ores
  12. 12Identify the product formed when bauxite ore is treated with sodium hydroxide?20 Oct, 2020 (E)Extraction of Metals
  13. 13Which among the following is a mineral of magnesium?19 Oct, 2020 (M)Minerals and ores
  14. 14Which among the following elements is obtained in pure form by liquation process of refining?19 Oct, 2020 (M)Refining of Crude Metal
  15. 15Which of the following alloy contain Al, Cu, Mg and Mn?19 Oct, 2020 (M)Minerals and ores
  16. 16Which among the following sets of elements is present in chalcopyrite?19 Oct, 2020 (E)Minerals and ores
  17. 17How many moles of gaseous oxygen at one atmosphere is considered for the reaction with element for plotting a graph in Ellingham diagram?19 Oct, 2020 (E)Extraction of Metals
  18. 18Which mineral among the following contains Vanadium in it?19 Oct, 2020 (E)Minerals and ores
  19. 19Which among the following ore is concentrated by froth floatation process?16 Oct, 2020 (M)Concentration of the Ore
  20. 20Zirconium is refined by16 Oct, 2020 (M)Refining of Crude Metal
  21. 21Identify the process of refining to obtain pig tin16 Oct, 2020 (E)Refining of Crude Metal
  22. 22Which of the following metals is refined by vapour phase refining in Mond process?16 Oct, 2020 (E)Refining of Crude Metal
  23. 23Which of the following is a product of first step and is used as reactant in next step for manufacture of from concentrated chromite ore ?15 Oct, 2020 (M)Minerals and ores
  24. 24Which reaction from following occurs at in the blast furnace for extraction of iron?15 Oct, 2020 (M)Extraction of Metals
  25. 25Which following method is used for refining of impure zirconium?15 Oct, 2020 (E)Refining of Crude Metal
  26. 26Which among the following elements is obtained in pure form by zone refining process?15 Oct, 2020 (E)Refining of Crude Metal
  27. 27What is the product formed when bauxite ore is treated with sodium hydroxide?14 Oct, 2020 (M)Extraction of Metals
  28. 28What is the role of tuyers used in blast furnace for extraction of iron?14 Oct, 2020 (E)Extraction of Metals
  29. 29What is the formula of pyrolusite ore?14 Oct, 2020 (E)Minerals and ores
  30. 30What is the approximate ratio of roasted ore, coke and lime stone respectively in the charge to be added into blast furnace for extraction o14 Oct, 2020 (E)Extraction of Metals
  31. 31Which among following processes occurs at in blast furnace for extraction of iron?13 Oct, 2020 (M)Flux and Refractory materials
  32. 32What is the formula of calamine?13 Oct, 2020 (E)Minerals and ores
  33. 33Identify the mineral of aluminium from following13 Oct, 2020 (E)Minerals and ores
  34. 34Which among the following reactions occurs at the zone of slag formation in extraction of iron by blast furnace?12 Oct, 2020 (M)Extraction of Metals
  35. 35What happens during bessemerization process of extraction of copper from copper pyrites?12 Oct, 2020 (M)Extraction of Metals
  36. 36Which oxide formation according to Ellingham diagram shows a graph with sudden change in slope?12 Oct, 2020 (E)Extraction of Metals
  37. 37Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?02 May, 2019 (M)Concentration of the Ore
  38. 38Bassemerization is used in the extraction of02 May, 2019 (M)Refining of Crude Metal
  39. 39In leaching of alumina from bauxite by Bayer’s process, then ore is treated with2019 (M)Concentration of the Ore
  40. 40Which of the following is not the mineral of iron?2019 (M)Minerals and ores
  41. 41Limestone is used as a flux in the extraction of2019 (E)Flux and Refractory materials
  42. 42Bauxite, an ore of aluminium, is purified by which process?2018Extraction of Metals
  43. 43Which element is obtained in the pure form by Van Arkel method?2018Refining of Crude Metal
  44. 44Which among the following is NOT a mineral of iron?2017Minerals and ores
  45. 45Name the process that is employed to refine aluminium.2017Extraction of Metals
  46. 46Name the reagent that is used in leaching of gold.2016Concentration of the Ore
  47. 47Which metal is refined by Mond process?2016Refining of Crude Metal
  48. 48Which of the following is not an iron ore?2012Minerals and ores
  49. 49Fool's gold is2012Minerals and ores
  50. 50TiI on heating gives2011Refining of Crude Metal

Frequently Asked Questions

1.How many questions are available for General Principles and Processes of Isolation of Metals?

This chapter includes 53 questions compiled from MHTCET papers spanning 2008 to 2024.

2.Are these questions only from MHTCET, or from other exams too?

These are MHTCET questions specifically for the General Principles and Processes of Isolation of Metals chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is General Principles and Processes of Isolation of Metals an important chapter for MHTCET Chemistry?

General Principles and Processes of Isolation of Metals has appeared in 13 of the 17 years of MHTCET papers covered here, with 53 questions across 31 papers - about 2 per paper it appears in.

4.What is the difficulty level of General Principles and Processes of Isolation of Metals questions in MHTCET?

Of the 53 questions analysed for this chapter, 83% are easy, 13% moderate and 4% tough. 2020 had the most, with 29 questions.

5.Which topics in General Principles and Processes of Isolation of Metals should I focus on?

These topics have carried the most weightage in General Principles and Processes of Isolation of Metals:

  • Minerals and ores - 22 questions (42%)
  • Extraction of Metals - 13 questions (25%)
  • Refining of Crude Metal - 11 questions (21%)
  • Extraction of Metals has produced the most tough questions (2).
6.Is General Principles and Processes of Isolation of Metals's weightage in MHTCET going up or down?

Across all 31 papers analysed, General Principles and Processes of Isolation of Metals has averaged about 1.7 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.