Class 10 Chemistry MCQs – Practice Test 8 (Chapter 5)

Chemical Industries Notes Questions with Answers PDF Download – Test 8

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Chemical Industries MCQs – Practice Test 8 PDF Download

MCQ 36: The third step of the Solvay process is:

preparation of ammonical brine
carbonation
filtration
calcination

MCQ 37: Number of carbon atoms per molecule in kerosene is:

1 to 4
5 to 10
8 to 12
10 to 16

MCQ 38: Process in which sodium carbonate is manufactured is called:

calcination
metallurgy
Solvay process
carbonation

MCQ 39: Raw materials for production of urea are:

ammonia and carbon dioxide
oxygen and carbon dioxide
ammonia and oxygen
ammonia and phosphate

MCQ 40: Process in which mineral is separated from the gangue by some physical method is called:

crushing, grinding or pulverizing of the ore
concentration of the ore
extraction of metal
refining of metal

Chemical Industries Notes App & e-Book – Class 10 Chemistry Admission Tests

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