Class 10 Chemistry MCQs (Grade 10) From Textbook

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Class 10 Chemistry MCQs – Practice Test 9 (Chapter 5)

Chemical Industries MCQs with Answers PDF Download – Test 9

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The MCQ: The process in which metal is separated from its ore and prepared for use is called; "Chemical Industries MCQs" App Download [Free] with answers: mining, metallurgy, crushing, and solvay process to learn online classes courses. Solve Basic Metallurgical Operations MCQ Questions, download Google e-Book (Free Chapter) for distance education.

Chemical Industries MCQs – Practice Test 9 PDF Download

MCQ: 41

The process in which metal is separated from its ore and prepared for use is called

  1. metallurgy
  2. mining
  3. crushing
  4. Solvay process
MCQ: 42

Ore of zinc is called

  1. galena
  2. zinc blende
  3. cinnabar
  4. chromite
MCQ: 43

The boiling point of petrol is

  1. below 20 °C
  2. 170-120 °C
  3. 35-70 °C
  4. 270-340 °C
MCQ: 44

Ore of tin is called

  1. galena
  2. zinc blende
  3. Cassiterite
  4. silica
MCQ: 45

The second 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

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