Tetraethyl lead is added to the petrol to increase its octane number, – McqOptions

MCQOPTIONS

1.	Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is
A.	more than 100
B.	round about 100
C.	between 50 and 100
D.	less than 25
Answer» B. round about 100

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