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 inherited traits of an organism are controlled by
RNA molecules
nucleotides
DNA molecules
enzymes
Correct answer is C
No explanation has been provided for this answer.
The Latin word formica means ant. The name formic acid is derived from this Latin word because
this acid, in ancient times, was used to eliminate ant-hills
this corrosive acid is secreted by ants to drive away their enemies
this acid was first obtained by the distillation of ants
ants are attracted by the odour of this acid
Correct answer is C
No explanation has been provided for this answer.
The most abundant rare gas in the atmosphere is
He
Ne
Ar
Xe
Correct answer is C
No explanation has been provided for this answer.
The metal that is used as a catalyst in the hydrogenation of oils is
Ni
Pb
Cu
Pt
Correct answer is A
No explanation has been provided for this answer.
The octane number of zero is assigned to
2-methyl octane
n-heptane
iso-octane
3-methyl octane
Correct answer is B
No explanation has been provided for this answer.