Iso-octane is used as a reference substance in the definition of octan – McqOptions

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1.	Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
A.	Œ±-methyl naphthalene.
B.	2-2-4 tri methyl pentane.
C.	1, 3 butadiene.
D.	tetra methyl ethylene.
Answer» C. 1, 3 butadiene.

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