Chemical Industries Multiple Choice Questions and Answers 7 PDF Book Download
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MCQ on Chemical Industries Worksheets 7 PDF Book Download
MCQ: Which of following is used as a lubricant for machines and engines?
- Lubricating oil
- Fuel oil
MCQ: Ore of lead is called
- Zinc blende
MCQ: Number of carbon atoms per molecule in LPG are
- 1 to 4
- 5 to 10
- 8 to 12
- 10 to 16
MCQ: Last step of solvay process is
- Preparation of ammonical brine
- Preparation of carbon dioxide and slaked lime
- Recovery of ammonia
MCQ: Boiling point of LPG is
- Below 20?C
- 35?C to 70?C
- 70?C to 120?C
- 170?C to 250?C