Petroleum refineries remove chemical compounds that contain sulphur in order to:
make pure, white petrol
use the sulphur to make other compounds cheaply
prevent pollution of the air by sulphur
increase the mileage of petrol
A
prevent pollution of the air by sulphur
B
make pure, white petrol
C
use the sulphur to make other compounds cheaply
D
increase the mileage of petrol
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Solution
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Air is polluted by sulphur by converting into sulphur dioxide. So, petroleum refineries remove chemical compounds that contain sulphur.
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