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Chemistry - General Principles and Processes of Isolation of Metals

Practise 67 AP EAMCET previous year questions on General Principles and Processes of Isolation of Metals, compiled from papers spanning 2003 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AP EAMCET tests.

General Principles and Processes of Isolation of Metals has been asked in 20 of the 24 years of AP EAMCET papers analysed (2001–2024), with 67 questions in all. 70% of them were easy, 30% moderate and 0% tough. Most of its questions came from 2020, with 11 questions that year. In the last three years (2022–2024) it had 13 questions across 28 papers, about 0.5 per paper.

The chapter's 6 topics are not weighted equally: Extraction of Metals (20 questions, 30%), Refining of Crude Metal (18 questions, 27%), and Minerals and ores (14 questions, 21%) have been asked the most. Over the last five years the most frequent topics have been Refining of Crude Metal (10), Minerals and ores (5), and Extraction of Metals (4).

  1. 1The metal purified by Mond process is X. The number of unpaired electrons in X is27 May, 2025 (M)Refining of Crude Metal
  2. 2Which of the following are carbonate ores ? I. Siderite II. Kaolinite III. Calamine IV. Sphalerite26 May, 2025 (M)Minerals and ores
  3. 3Which of the following methods is useful for producing semiconductor grade metals of high purity ?26 May, 2025 (E)Refining of Crude Metal
  4. 4Match the following List-I (Process) A) Hall-Heroult process I) Ti B) Mond process II) In C) van-Arkel process III) D) Zone refining process24 May, 2025 (M)Refining of Crude Metal
  5. 5Consider the following: Statement-I : In the extraction of Al by Hall-Heroult process, pure mixed with lowers its melting point and increase23 May, 2025 (M)Refining of Crude Metal
  6. 6Which of the following reactions is an example of roasting ?23 May, 2025 (E)Concentration of the Ore
  7. 7In the extraction of iron from haematite, the impurity of the ore is removed in the form of ' ', what are and respectively?22 May, 2025 (M)Extraction of Metals
  8. 8Which of the following is used as froth stabilizer in froth floatation process?22 May, 2025 (E)Concentration of the Ore
  9. 9Kaolinite, a form of clay is the ore of metal and malachite is the ore of metal . and respectively are21 May, 2025 (M)Minerals and ores
  10. 10Which of the following sets are correctly matched? Metal Refining process I) Hg Distillation II) Cu Poling III) B Zone refining IV) Ti Liqua21 May, 2025 (E)Refining of Crude Metal
  11. 11In the extraction of iron. the reaction which occurs at 1500 K in blast furnace is23 May, 2024 (M)Extraction of Metals
  12. 12In which of the following metals extraction, impurities are removed as slag? i. Al ii. Fe iii. Cu iv. Zn The correct option is22 May, 2024 (M)Minerals and ores
  13. 13The flux used in the preparation of wrought iron from cast iron in reverberatory furnace is21 May, 2024 (E)Flux and Refractory materials
  14. 14The reactions which occur in blast furnace at during extraction of iron from haematite are (i) (ii) (iii) (iv)20 May, 2024 (M)Extraction of Metals
  15. 15The type of iron obtained from Blast furnace in the extraction of iron is20 May, 2024 (E)Extraction of Metals
  16. 16The anode and cathode used in electrolytic refining of copper respectively are19 May, 2024 (E)Refining of Crude Metal
  17. 17Which one of the following sets is not correctly matched?18 May, 2024 (M)Minerals and ores
  18. 18The metal purified by. Mond process is and metal purified by van Arkel method is . X and Y respectively are18 May, 2023 (M)Refining of Crude Metal
  19. 19The process which invovles the treatment of the ore with a suitable reagent so as to make it soluble but not impurities is called18 May, 2023 (E)Concentration of the Ore
  20. 20The correct statements regarding froth floatation method in metallurgy are I. Used for the purification of sulphide ores II. Used for the ro16 May, 2023 (M)Concentration of the Ore
  21. 21Match the following The correct answer is16 May, 2023 (E)Refining of Crude Metal
  22. 22How many of the following can be purified by using zone refining method?15 May, 2023 (M)Refining of Crude Metal
  23. 23In the following unbalanced reaction, the product formed is07 Jul, 2022 (M)Refining of Crude Metal
  24. 24Carnallite in water dissociates to give..... ions.23 Aug, 2021 (E)Minerals and ores
  25. 25In froth floatation process for concentration of ores, the ore particles float because07 Oct, 2020 (Special)Concentration of the Ore
  26. 26Calculate the mass percentage of 3 g of solute A dissolved in 18 g of water.23 Sep, 2020 (M)Reduction to Crude Metal
  27. 27Which of the following statements is not correct? (i) Froth-floatation is used for removing gangue from sulphide ore. (ii) Cresols are used 22 Sep, 2020 (E)Concentration of the Ore
  28. 28Match the following items of List-I with those of List-II \( {array}{|c|c|c|c|} & { List I } & & { List II } \\ ( {A}) & { Nickel } & { (1) 21 Sep, 2020 (M)Refining of Crude Metal
  29. 29In the extraction of silver, zinc metal is used as a reducing agent. What is the molecular structure of the zinc complex formed in this reac21 Sep, 2020 (M)Extraction of Metals
  30. 30Which of the following statements is not correct? 1. Reduction of alumina to give aluminium by magnesium is thermodynamically feasible. 2. T18 Sep, 2020 (M)Reduction to Crude Metal
  31. 31Match the items of List-I with those of List-II and choose the correct option given below. \( {array}{|c|c|} { List-I } & { List-II } \\ { A18 Sep, 2020 (M)Concentration of the Ore
  32. 32Which statement is incorrect regarding Hall-Heroult process for metallurgy of aluminium? 1. Use of \( {Na}_3 {AlF}_6\) lowers the melting po18 Sep, 2020 (E)Extraction of Metals
  33. 33Calamine, bauxite, malachite and siderite respectively are ores of .........18 Sep, 2020 (E)Minerals and ores
  34. 34Copper matte is composed of ____17 Sep, 2020 (M)Minerals and ores
  35. 35Which among the following is used as flux in the extraction of iron from oxide ores?17 Sep, 2020 (E)Flux and Refractory materials
  36. 36Identify the correct statements from the following: i. In the extraction of \( {Ag}\) and \( {Au}\), zinc is used as reducing agent. ii. Imp23 Apr, 2019 (M)Extraction of Metals
  37. 37\(X_2\) is used in the refining of Ti metal by van Arkel method. \(Y_2\) does not liberate \( {O}_2\) from water and does not form \( {HY}\)22 Apr, 2019 (M)Refining of Crude Metal
  38. 38The pair of metals refined by vapour phase refining is21 Apr, 2019 (E)Refining of Crude Metal
  39. 39Which of the following are carbonate ores? I. Magnetite II. Kaolinite III. Siderite IV. Calamine20 Apr, 2019 (M)Minerals and ores
  40. 40Which one of the following statements is not correct?20 Apr, 2019 (E)Refining of Crude Metal
  41. 41The ore which is concentrated by leaching25 Apr, 2018 (M)Extraction of Metals
  42. 42The pair of oxides, which can be leached out, when powdered bauxite containing certain impurities is digested with concentrated solution of 24 Apr, 2018 (M)Extraction of Metals
  43. 43Blister copper is extracted from copper pyrites. After removal of slag , blister copper is obtained by24 Apr, 2018 (E)Extraction of Metals
  44. 44The ore which is concentrated by leaching23 Apr, 2018 (M)Extraction of Metals
  45. 45What is the slag formed in the extraction of iron?23 Apr, 2018 (E)Extraction of Metals
  46. 46In Ellingham diagram, the plot is drawn between22 Apr, 2018 (M)Minerals and ores
  47. 47The method used for producing semiconductor grade metals of high purity is22 Apr, 2018 (E)Refining of Crude Metal
  48. 48Copper matte contains26 Apr, 2017 (M)Extraction of Metals
  49. 49In vapour phase refining, metal is purified by Van Arkel method and metal is purified by Mond's process. and are respectively.26 Apr, 2017 (E)Refining of Crude Metal
  50. 50Identify the statements which are not correct. a) Copper is refined by Van-Arkel method b) Zinc is refined by electrolysis method c) Zirconi25 Apr, 2017 (E)Refining of Crude Metal

Frequently Asked Questions

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

This chapter includes 67 questions compiled from AP EAMCET papers spanning 2003 to 2025.

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

These are AP EAMCET 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 AP EAMCET Chemistry?

General Principles and Processes of Isolation of Metals has appeared in 21 of the 25 years of AP EAMCET papers covered here, with 67 questions across 61 papers - about one per paper it appears in.

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

Of the 67 questions analysed for this chapter, 70% are easy, 30% moderate and 0% tough. 2020 had the most, with 11 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:

  • Extraction of Metals - 20 questions (30%)
  • Refining of Crude Metal - 18 questions (27%)
  • Minerals and ores - 14 questions (21%)
6.Is General Principles and Processes of Isolation of Metals's weightage in AP EAMCET going up or down?

Across all 61 papers analysed, General Principles and Processes of Isolation of Metals has averaged about 1.1 questions per paper. In the last three years (2022–2024), that average has fallen, at about 0.5 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.