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.
CH3CH2CH2CH3
CH2 = CH - CH2CH3
HC≡CH
CH3 - C = C - CH3
Correct answer is C
When ethyne is passed through an ammoniacal solution of copper(I) chloride, a red-brown precipitate of copper(I) acetylide is produced. Terminal alkynes also react to form a red-brown precipitate
Ordinary glass is manufactured from silica, CaCO3 and
Na2CO3
K2CO3
K2SO4
NaHCO3
Correct answer is A
No explanation has been provided for this answer.
Which of these pairs are synthetic and natural macromolecules respectively?
Haemoglobin and nylon, creatine and polyethylene
Nylon and polyethlene, creatine and Haemoglobin
Nylon and creatine, polyethylene and haemoglobin
Creatine and Polyethylene, nylon and haemoglobin
Correct answer is C
No explanation has been provided for this answer.
The number of isomers formed by C<sub>6</sub>H<sub>14</sub> is
4
5
2
3
Correct answer is B
No explanation has been provided for this answer.
The reaction of an alkene with hydrogen in the presence of catalyst is
a substitution reaction
an oxidation reaction
a nucleophilic reaction
an addition reaction
Correct answer is D
No explanation has been provided for this answer.