When dilute hydrochloric acid is added to iron(ll)sulphide, the gas evolved will?
- turn moist red litmus paper blue
- turn lime water milky
-
blacken lead acetate paper
- rekindle a glowing splint
- burn a sqeakly pop
The correct answer is: C
Explanation
The gas liberated is H\(_2\)S which in the presence of lead acetate paper gives a black coloration