WAEC Chemistry 2025 Theory — Question 68
Question 68 of 70 from the West African Examinations Council (WAEC) Chemistry 2025 Theory paper, with the correct answer and a full explanation.
Advertisement
Alternative A, Q3(b). State the confirmatory test for gas R.
Model answer
Hold a stopper of concentrated hydrochloric acid near the gas: dense white fumes of ammonium chloride are formed.
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.