Class 10 Chemistry MCQs – Practice Test 6 (Chapter 5)

Chemical Industries MCQ with Answers PDF Download – Test 6

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Chemical Industries MCQ – Practice Test 6 PDF Download

MCQ 26: Naturally occurring metallic compounds are called:

metalloids
minerals
hard solids
soft solids

MCQ 27: The last step of metallurgy is:

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

MCQ 28: Ore of sodium is called:

hematite
chalcopyrite
bauxite
halite

MCQ 29: The fertilizer which doesn't affect the texture of the soil is:

urea
ammonium sulphate
ammonium phosphate
super phosphate

MCQ 30: In magnetic separation, magnets are used to separate:

mineral and gangue
metal and mineral
metal and gangue
iron and steel

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

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