Question detail
What is the best reason to conserve crude-oil resources?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Carbon compounds as fuels and feedstock
Question
- A. Crude oil is a limited raw material for fuels and petrochemicals
- B. Crude oil is unlimited if it is cracked first
- C. Crude oil contains no useful chemical feedstocks
- D. Crude oil is replaced every season by new biomass
Answer
The correct option is Crude oil is a limited raw material for fuels and petrochemicals. Crude oil should be conserved because it is a finite source of fuels and petrochemical feedstocks.
Explanation
The correct option is Crude oil is a limited raw material for fuels and petrochemicals. The correct answer combines finite supply with use. Crude oil is processed into fuels and feedstocks for materials such as polymers, solvents and detergents. Cracking changes some hydrocarbons into smaller molecules, but it does not make crude oil unlimited. New biomass does not replace crude-oil reserves on a useful timescale.
Common mistake
Finite resource misconception
Students think crude oil can be replenished quickly because it is a liquid that can be pumped out of the ground.
Explain that crude oil is a finite resource formed over millions of years from ancient biomass and cannot be replenished on a human timescale.
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