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Earn 100

Which of these is used in extraction of metals?
(a)Coke
(b)Coal gas
(c)Coal tar
(d)Petroleum

69.23% studentsanswered this correctly
Important Questions on Coal and Petroleum

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Statements given below are incorrect. Write the correct statements.
Coal is a renewable fuel.


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Nylon is an artificial fibre which is obtained from petrochemicals.
Coal gas is obtained by the fractional distillation of coal.

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Statements given below are incorrect. Write the correct statements.
During carbonisation the fossils of living beings change into petroleum.


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