Class 10 Chemistry MCQs - Chapter 5
Chemical Industries Multiple Choice Questions (MCQs) PDF Download - 9
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The Chemical industries Multiple Choice Questions (MCQs) with Answers PDF (chemical industries MCQs PDF e-Book) download Ch. 5-9 to study Grade 10 Chemistry Course. Learn Chemical Industries Quiz Questions and Answers to learn online classes courses. The Chemical Industries MCQs App Download: Free learning app for basic metallurgical operations, petroleum test prep for online school and college.
The MCQ: The 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; Solvay process; to learn online classes courses. Solve Basic Metallurgical Operations MCQ Questions, download Google eBook (Free Sample) for distance education.
Chemical Industries MCQs with Answers PDF Download: Quiz 9
The process in which metal is separated from its ore and prepared for use is called
- metallurgy
- mining
- crushing
- Solvay process
Ore of zinc is called
- galena
- zinc blende
- cinnabar
- chromite
The boiling point of petrol is
- below 20 °C
- 170-120 °C
- 35-70 °C
- 270-340 °C
Ore of tin is called
- galena
- zinc blende
- Cassiterite
- silica
The second step of metallurgy is
- crushing, grinding or pulverizing of the ore
- concentration of the ore
- extraction of metal
- refining of metal
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