Post-UTME Chemistry 2009 Objective — Question 11
Question 11 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2009 Objective paper, with the correct answer and a full explanation.
Advertisement
The two hydrocarbons used as lower and upper standards for petrol are
- A. isooctane and benzene
- B. heptane and 2,2,6-trimethylpentane
- C. heptane and 2,2,4-trimethylpentaneCorrect
- D. heptane and neopentane
Explanation
Heptane (0 octane rating) and 2,2,4-trimethylpentane/isooctane (100 octane rating) are the standard reference fuels for octane rating.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.