Class 10 Chemistry MCQs – Practice Test for Exam Prep

Basic Metallurgical Operations Multiple Choice Questions with Answers – PDF Download

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Basic Metallurgical Operations MCQs PDF Download – Prep Test

MCQ 1: Ore of iron is called:

hematite
chalcopyrite
bauxite
halite

MCQ 2: Ore of silicon is called:

galena
zinc blende
Cassiterite
silica

MCQ 3: 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 4: Ore of chromium is called:

galena
zinc blende
cinnabar
chromite

MCQ 5: Metallic compounds that occur naturally are called:

metal oxides
minerals
ores
none of above

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