A) using TEL loaded petrol
B) using ethanol-mixed petrol
C) using unleaded petrol
D) Using MTBE loaded petrol
Correct Answer: C
Solution :
[c](1) TEL (Tetraethyl lead) prevents knocking but not lead. |
(2) Ethanol-mixed petrol is CO free but not lead-free. |
(3) In India, lead free petrol is being used in automobiles. Thus, emission of lead is prevented. |
(4) MTBE (Methyl Tertiary Butyl Ether) prevents knocking but not lead. |
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