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.
Benzene produces more soot than ethene on burning because benzene
has a higher molar mass
has a higher degree off unsaturation
undergoes substitution and addition reaactions
is a liquid at room temperature
Correct answer is A
No explanation has been provided for this answer.
Hydrogenation of butene yields
butyne
butane
pentence
butanol
Correct answer is B
No explanation has been provided for this answer.
- 1.1V
- 0.42V
+0.42V
+1.1V
Correct answer is D
e.m.f. = + 0.34 -(-0.76) = 0.34 + 0.76 = +1.1V
In the electrolysis of CuSO4(aq) using copper electrodes, the reaction at the anode is
discharge of SOsub>4 2-
discharge of OH-
dissolution of copper electrode
evolution of oxygen
Correct answer is C
No explanation has been provided for this answer.
S + P+ → P + S +
Q + S+ → S + Q+
R + P+ → P + R+
S + Q+ → Q + S+
Correct answer is B
No explanation has been provided for this answer.