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प्रश्न
Which of the following is not a constituent of petroleum?
पर्याय
Paraffin wax
Lubricating oil
Petrol
Coke
उत्तर
Coke
Explanation -
Coke is not a constituent of petroleum. Coke is prepared by heating coal in the absence of air.
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संबंधित प्रश्न
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