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Question

iso-octane

आईएसओ ओकटाइन

A.

Has octane number of 0

B.

Has octane number of 50

C.

Has octane number of 100

D.

Is an index of detonation quality

Answer ( Option C)

Has octane number of 100

Solution

●By definition, iso-octane is assigned an octane rating of 100 and heptane is assigned an octane rating of zero.

●For example, an 87-octane gasoline, possesses the same anti-knock rating of a mixture of 87% (by volume) iso-octane and 13% (by volume) n-heptane.

Hence, the correct option is (C).

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