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CGP EDU Academic Team
Published on: August 12, 2026
A fuel contains 25 % n -heptane and 75 % iso-octane. Its octane number is
Text Solution
Verified by ExpertsThe correct answer is:
B
Octane number is the percentage by volume of iso-octane in the mixture of iso-octane and n- heptane which has the same antiknocking properties as the fuel under examination. Given fuel (25% n- heptane +75% iso-octane) Hence, octane number = 75 (because iso octane is 75%)
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