WAEC Chemistry 2019 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Chemistry 2019 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following substances is non-polar?
- A. Br2Correct
- B. NH3
- C. H2O
- D. HBr
Explanation
Br2 is a homonuclear diatomic molecule with a symmetric, non-polar covalent bond, whereas NH3, H2O and HBr are all polar molecules.
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.