Class 10 Chemistry MCQs - Chapter 5
Chemical Industries Quiz Questions & Answers PDF Download - 11
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The Quiz: The process of smelting involves the; "Chemical Industries" App (iOS, Android) with answers: Oxidation of minerals; Reduction of metal oxides; Oxidation of metals; Melting of metals; to study online high school courses. Study Metallurgical Operations MCQ Questions, download Amazon eBook (Free Sample) for distance learning classes.
Chemical Industries Exam Questions and Answers PDF Download: Test 11
The process of smelting involves the
- reduction of metal oxides
- oxidation of minerals
- oxidation of metals
- melting of metals
Which of the following is used as cylinder gas for cooking?
- Liquefied petroleum gas (LPG)
- petrol
- naphtha
- kerosene
Third step of metallurgy is
- crushing, grinding or pulverizing of the ore
- concentration of the ore
- extraction of metal
- refining of metal
Which of the following is used as a chemical feedstock for making drugs, plastics, and other chemicals?
- Liquid Petroleum Gas (LPG)
- petrol
- naphtha
- kerosene
Number of carbon atoms per molecule in Petrol is
- 1 to 4
- 5 to 10
- 8 to 12
- 10 to 16
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