Chemical Industries MCQ App | Class 10 Chemistry MCQ e-Book PDF | 2
Class 10 Chemistry MCQs (Grade 10) From Textbook

Class 10 Chemistry MCQs – Practice Test 2 (Chapter 5)

Chemical Industries MCQ with Answers PDF – Test 2

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Download the Chemical Industries Learning App (Android & iOS): Process in which some minerals are converted to the oxide by heating in the air at a temperature below their melting point is called; MCQ with answers: smelting, roasting, bessemerization, and concentration. Practice Petroleum MCQ Questions, download Apple Book (Free Chapter) to achieve top grades.

Chemical Industries MCQ PDF Download – Test 2

MCQ 6: The boiling point of lubricating oil is:

  1. 270 °C to 340 °C
  2. 350 °C to 500 °C
  3. 500 °C to 600 °C
  4. more than 500 °C

MCQ 7: Process in which some minerals are converted to the oxide by heating in the air at a temperature below their melting point is called:

  1. roasting
  2. smelting
  3. Bessemerization
  4. concentration

MCQ 8: The boiling point of fuel oil is:

  1. 270 °C to 340 °C
  2. 350 °C to 500 °C
  3. 500 °C to 600 °C
  4. more than 500 °C

MCQ 9: Number of carbon atoms per molecule in lubricating oil is:

  1. 14 to 20
  2. 20 to 50
  3. 50 to 70
  4. more than 70

MCQ 10: Crude oil is converted into useful products by:

  1. drilling
  2. Solvay process
  3. roasting
  4. refining

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