Class 10 chemistry Practice Tests
Class 10 Chemistry Online Tests
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The MCQ: Ore of iron is called; "Basic Metallurgical Operations" App Download (Free) with answers hematite, chalcopyrite, bauxite and halite to study online schools courses. Solve chemical industries quiz questions, download Google eBook (Free Sample) for free online courses.
MCQ 1: Ore of iron is called
MCQ 2: Ore of silicon is called
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
MCQ 4: Ore of chromium is called
MCQ 5: Metallic compounds that occur naturally are called
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