Class 10 Chemistry MCQs - Chapter 5
Chemical Industries Multiple Choice Questions (MCQs) PDF Download - 9
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The Multiple Choice Question (MCQ Quiz): Process in which metal is separated from its ore and prepared for use is called; "Chemical Industries" App Download (Free) with answers mining, metallurgy, crushing and solvay process to learn online classes courses. Solve basic metallurgical operations quiz questions, download Google eBook (Free Sample) for distance education.
Chemical Industries Questions & Answers PDF Download: MCQ Quiz 9
MCQ 41: The process in which metal is separated from its ore and prepared for use is called
- metallurgy
- mining
- crushing
- Solvay process
MCQ 42: Ore of zinc is called
- galena
- zinc blende
- cinnabar
- chromite
MCQ 43: The boiling point of petrol is
- below 20 °C
- 170-120 °C
- 35-70 °C
- 270-340 °C
MCQ 44: Ore of tin is called
- galena
- zinc blende
- Cassiterite
- silica
MCQ 45: The second step of metallurgy is
- crushing, grinding or pulverizing of the ore
- concentration of the ore
- extraction of metal
- refining of metal
Class 10 Chemistry Mock Tests
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