Motor vehicles equipped with catalytic converter are advised to use unleaded petrol because
A
Lead is a heavy metal
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B
Lead causes inactivation of catalyst present in catalytic converter
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C
Lead decreases the efficiency of vehicle
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D
Lead increases burning of petrol
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Solution
The correct option is B Lead causes inactivation of catalyst present in catalytic converter Automobiles fitted with catalytic converter should not use leaded petrol because lead inactivates the catalyst of the converter.