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Chemical Industries MCQ with Answers PDF Download eBook - 14

Learn Chemical industries MCQ with answers PDF, chemical industries quiz worksheets with answers key to solve 10th grade chemistry worksheet 14 for online classes. Practice "Basic Metallurgical Operations" Multiple Choice Questions and Answers (MCQs), chemical industries quiz questions and answers for online high school courses. Learn petroleum, basic metallurgical operations test prep for online certifications.

"The boiling point of kerosene is" Multiple Choice Questions (MCQ) on chemical industries with choices 35 °c to 70 °c, below 20 °c, 70 °c to 120 °c, and 170 °c to 250 °c for online high school courses. Solve basic metallurgical operations quiz questions for school certificate programs for virtual high school.

Chemical Industries MCQs Quiz 14 PDF Download eBook

MCQ: The boiling point of kerosene is

  1. below 20 °C
  2. 35 °C to 70 °C
  3. 70 °C to 120 °C
  4. 170 °C to 250 °C

D

MCQ: The first step of metallurgy is

  1. crushing, grinding or pulverizing of the ore
  2. concentration of the ore
  3. extraction of metal
  4. refining of metal

A