Class 12 Chemistry · Chapter 16 · Test 3
Industry
44 MCQs
44 questions · 35 min · 44 marks
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Sample questions
The first 5 of 44. Try each one, then tap to see the answer.
Question 1
Air is a raw material that provides:
- ANitrogen for fertilizers and oxygen for steel manufacturing
- BOnly hydrogen
- COnly carbon
- DOnly sulphur
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Answer: A
It is an important feedstock for industry.
Question 2
Fossil fuels such as coal and oil and gas provide hydrocarbons required for about what share of organic chemicals?
- A10%
- B50%
- C90%
- D99%
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Answer: C
They are the major source of organic chemical feedstock.
Question 3
Natural gas is a major source of which compound used for urea and petrochemicals?
- AEthanol
- BBenzene
- CEthene
- DMethane
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Answer: D
It is both a fuel and a source of hydrogen.
Question 4
The Khewra mines are one of the world's largest deposits of:
- ARock salt
- BCoal
- CChromite
- DGypsum
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Answer: A
Rock salt is the source of sodium chloride.
Question 5
Rock salt is a raw material for producing:
- AFertilizers
- BCaustic soda and chlorine
- CCement
- DPetrochemicals
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Answer: B
NaCl is the source of soda ash and caustic soda and chlorine.
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