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Class 10 Chemistry Study Material: Practice Test 7 (Chapter 5)

Chemical Industries Quiz Questions & Answers PDF Download - 7

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The Chemical industries Quiz Questions and Answers PDF (Chemical Industries Quiz PDF e-Book) download Ch. 5-7 to learn Class 10 Chemistry Course. Solve Petroleum MCQs PDF, Chemical Industries Quiz Questions and Answers to study e-learning courses. The Class 10 Chemistry Quiz App Download: Free Chemical Industries App to learn petroleum, basic metallurgical operations, chemistry quiz with answers, solvay process test prep for high school graduation certificate.

The Quiz: Which of the following is used as a lubricant for machines and engines; "Chemical Industries" App (iOS, Android) with answers: lubricating oil, diesel, fuel oil, and bitumen to study e-learning courses. Study Petroleum MCQ Questions, download Google Book (Free Sample) for virtual online school.

Chemical Industries Exam Questions and Answers PDF Download: Test 7

MCQ: 31

Which of the following is used as a lubricant for machines and engines?

  1. diesel
  2. lubricating oil
  3. fuel oil
  4. bitumen
MCQ: 32

Ore of lead is called

  1. galena
  2. zinc blende
  3. cinnabar
  4. chromite
MCQ: 33

Number of carbon atoms per molecule in LPG is

  1. 1 to 4
  2. 5 to 10
  3. 8 to 12
  4. 10 to 16
MCQ: 34

The last step of the Solvay process is

  1. preparation of ammonical brine
  2. carbonation
  3. preparation of carbon dioxide and slaked lime
  4. recovery of ammonia
MCQ: 35

The boiling point of LPG is

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

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