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.
CxHY + 4O2 → 3CO2 + 2H2O. The hydrocarbon, CxHY, in the reaction above is?
propane
propene
propyne
propanone
Correct answer is C
No explanation has been provided for this answer.
The role of sodium chloride in the preparation of soap is to?
purify the soap
separate the soap from glycerol
accelerate the decomposition of the fat or oil
react with glycerol
Correct answer is B
No explanation has been provided for this answer.
Aromatic and aliphatic hydrocarbons can be distinguished from each other by the?
action of bromine
use of polymerization reaction
action of heat
use of oxidation reaction
Correct answer is C
No explanation has been provided for this answer.
Which of the following pairs has compounds that are isomers?
Propanal and propanone
Ethanoic acid and ethylmethanoate
Ethanoic acid and ethane-1, 2-diol
2-methylbutane and 2, 2-dimethylbutane
Correct answer is A
Propanal and Propanone are functional isomers of each other with the functional group C=O
CHCl3 + Cl2 → HCl + CCl4. The reaction above is an example of?
an addition reaction
a substitution reaction
a chlorination reaction
a condensation reaction
Correct answer is B
No explanation has been provided for this answer.