Class 10 Chemistry MCQs – Practice Test 2 (Chapter 5)

Chemical Industries MCQ with Answers PDF Download – Test 2

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The MCQ: Boiling point of lubricating oil is; "Chemical Industries" App (Android, iOS) with answers: 350 °c to 500 °c, 270 °c to 340 °c, 500 °c to 600 °c, and more than 500 °c to study e-learning courses. Practice Petroleum MCQ Questions, download Apple Book (Free Chapter) for online classes.

Chemical Industries MCQ – Practice Test 2 PDF Download

MCQ 6: The boiling point of lubricating oil is:

270 °C to 340 °C
350 °C to 500 °C
500 °C to 600 °C
more than 500 °C

MCQ 7: Process in which some minerals are converted to the oxide by heating in the air at a temperature below their melting point is called:

roasting
smelting
Bessemerization
concentration

MCQ 8: The boiling point of fuel oil is:

270 °C to 340 °C
350 °C to 500 °C
500 °C to 600 °C
more than 500 °C

MCQ 9: Number of carbon atoms per molecule in lubricating oil is:

14 to 20
20 to 50
50 to 70
more than 70

MCQ 10: Crude oil is converted into useful products by:

drilling
Solvay process
roasting
refining

Class 10 Chemistry Notes App & e-Book – Chemical Industries Exam Prep

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