When dilute hydrochloric acid is added to iron(ll)sulphide, the gas evolved will?
A
turn moist red litmus paper blue
B
turn lime water milky
C
blacken lead acetate paper
D
rekindle a glowing splint
E
burn a sqeakly pop
Verified Correct Answer: C.
Chemical Principles & Mechanism
The gas liberated is H\(_2\)S which in the presence of lead acetate paper gives a black coloration
Source: WAEC / JAMB / NECO Classroom Archive (Record #14301)