Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
NH3(g) concentration will decrease
more NH3(g)
The equilibrium will shift to the right
There will be no effect
Correct answer is B
No explanation has been provided for this answer.
The tincture of iodine means iodine dissolved in
ethanol
bromine chloride
chlorine water
water
Correct answer is A
No explanation has been provided for this answer.
An increase in temperature and decrease in the concentration of the reactant
A decrease in the volume and increase in the pressure of the reactant
A decrease in the temperature and an incease in the concentration of the reactant
An increase in temperature and an increase in the concentration of the reactant
Correct answer is D
No explanation has been provided for this answer.
The reddish-brown rust on iron roofing sheets consists of
Fe3+(H2O)6
FeO.H2O
Fe2O3.3H2O
Fe3O4.2H2O
Correct answer is C
No explanation has been provided for this answer.
The soft solder used for welding and plumbing is alloy of
lead and tin
iron and tin
lead and zinc
iron and zinc
Correct answer is A
No explanation has been provided for this answer.