Relevant Competitive Tests:
The petrol having octane number 80 has ____________?
A. 20% n- heptane + 80% iso-octaneCorrect Answer
B. 80% n- heptane + 20% iso-octane
C. 20% n- heptane + 80% n-octane
D. 80% n-heptane + 20% n- octane
Correct Option: A. 20% n- heptane + 80% iso-octane
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