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.
CH3C ≡ CH
CH3CH = CH2
CH3CH2C ≡ CH
CH3CH2 CH3
Correct answer is A
2VD = Rmm VD = Vapour density; Rmm - Relative
2 * 20 = 40 Molecular mass
Mole of carbon = 36/12 = 3
Mole of H2 = 40 - 36 = 4
The compound contains 3 mole of carbon and 4 hydrogen
CH3 - CH2 - C≡CH
The hybridization in the compound above is
Sp2
sp
sp3 and sp2
sp3 and sp
Correct answer is D
No explanation has been provided for this answer.
Which of the following has an isomer?
C6H6
C2H6
C4H10
C2H4
Correct answer is C
No explanation has been provided for this answer.
An example of aliphatic unsaturated hydrocarbon is
pentane
butanol
propene
benzene
Correct answer is C
No explanation has been provided for this answer.
Nigerian crude oil is described as light crude because of its
low sulphur content
high natural gas content
high octane number
low aliphatic-hydrocarbon content
Correct answer is A
Light crude oil is liquid petroleum that has a low density and flows freely at room temperature