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.
H+
Cu2+
OH-
CI-
Correct answer is B
No explanation has been provided for this answer.
Which of the following substances decomposes when an electric current is passed through it?
Glucose solution
Zinc rod
Hydrochloric acid
Tetrachlormethane
Correct answer is C
No explanation has been provided for this answer.
Oxygen
Hydrogen
Nitrogen
Copper
Correct answer is D
No explanation has been provided for this answer.
What is the oxidation number of nitrogen in AI(NO3)3?
+ 1
+ 3
+ 5
+ 6
Correct answer is C
No explanation has been provided for this answer.
The reaction goes to completion at equilibrium
The forward reaction is exthermic
At equilibrium increase in temperature favours the reverse reaction
Pressure has no effect on the equilibrium mixture
Correct answer is D
No explanation has been provided for this answer.