Class 10 Chemistry MCQs – Practice Test 14 (Chapter 5)

Chemical Industries MCQ with Answers PDF Download – Test 14

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Chemical Industries MCQ – Practice Test 14 PDF Download

MCQ 66: The boiling point of kerosene is:

below 20 °C
35 °C to 70 °C
70 °C to 120 °C
170 °C to 250 °C

MCQ 67: The first step of metallurgy is:

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

Chemical Industries MCQ App & e-Book – Class 10 Chemistry Entrance Exam

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