CSEC Chemistry · January 2017 · Paper 1 · Question Q10
When a compound is treated with concentrated hydrochloric acid, a greenish-yellow gas which bleaches moist red litmus paper is given off. The gas given off is
- (A)chlorine
- (B)ammonia
- (C)sulfur dioxide
- (D)nitrogen dioxide
The answer is shown once you've answered.
Practise this question