Petrochemicals — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
42 important questions from Petrochemicals for Telangana Open School (TOSS) Class 12 Chemistry, with answers. Written for the board exams 2027.
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Important Questions from Petrochemicals
Which of the following is a downstream petrochemical?
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Polyethylene
Downstream petrochemicals are those formed later in the sequence, like polyethylene from ethylene.
Which of the following is a product of methane chlorination?
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Methyl chloride
Methane undergoes chlorination to form methyl chloride, methylene chloride, chloroform, and carbon tetrachlorure.
What is the primary use of hydrogen obtained from methane pyrolysis?
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Manufacture of ammonia
Hydrogen from methane pyrolysis is used to make ammonia, which is further used in fertilizers like urea.
Which of the following is a primary petrochemical from naphtha?
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Ethene
Naphtha cracking produces ethene, propene, and butadiene as primary petrochemicals.
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