When dilute hydrochloric acid is added to iron(ll)sulphid...
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
Correct answer is C
The gas liberated is H\(_2\)S which in the presence of lead acetate paper gives a black coloration
Which of the following statements is not correct? The 4s orbital ...
CxHY + 4O2 → 3CO2 + 2H2O. The hydrocarbon, CxHY, in the reaction above is?...
What happens when the nitrates of potassium, calcium, zinc and copper are separately heated? ...
25cm<sup>3</sup> of a mixture of nobel gases was obtained from air after the removal of ...
Electropositivity of elements across the periodic table normally ...