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.
M = E/Q
M = EQ
M = Q/E
M = E/2Q
Correct answer is B
No explanation has been provided for this answer.
MnO-4(aq) + Y + 5Fe2+(aq) → Mn2+(aq) + 5Fe2+(aq) + 4H2O(l)
In the equation above, Y is
5H+(aq)
4H+(aq)
10H+(aq)
8H+(aq)
Correct answer is D
No explanation has been provided for this answer.
The diagram above best illustrates the effect of decrease in
concentration
temperature
surface area
pressure
Correct answer is A
No explanation has been provided for this answer.
The condition required for corrosion to take place is the presence of
water and carbon (IV) oxide
water, carbon (IV) oxide and oxygen
oxygen and carbon (IV) oxide
water and oxygen
Correct answer is D
No explanation has been provided for this answer.
catalyst
temperature
concentration
light
Correct answer is D
No explanation has been provided for this answer.