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.
The four classes of hydrocarbons are?
ethane, ethene, ethyne and benzene
alkanes, alkenes, alkynes and aromatics
alkanes, alkenes, alkynes and benzene
methane, ethane , propane and butane
Correct answer is B
No explanation has been provided for this answer.
Alkanoates are formed by the reaction of alkanoic acid with?
Alkyl halides
alkanols
ethers
sodium
Correct answer is B
Alkanoate: Any salt or ester formed from the reaction of an alkanoic acid and alkanol.
Methylethanoate reacts with ammonia to yield?
mettylamine and ethanol
ethylamine and methanol
methanamide and ethanol
ethanamide and methanol
Correct answer is D
No explanation has been provided for this answer.
Crude copper can be purified by the electrolysis of CuSO4(aq) if?
platinum electrodes are used
the crude copper is made the anode of the cell
the crude copper is made the cathode of the cell
crude copper electrodes are used
Correct answer is B
No explanation has been provided for this answer.
copper
zinc
calcium
lead
Correct answer is A
No explanation has been provided for this answer.