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.
constant composition
conservation of matter
multiple proportions
definite proportions
Correct answer is C
law of multiple proportions, statement that when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
MX
M3X4
M4X3
M3X2
Correct answer is C
M2+ + X-4 = M4X3
What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?
Steam distillation
Destructive distillation
Liquefaction
Hydrolysis
Correct answer is B
No explanation has been provided for this answer.
Detergents have the general formula?
R(CH2)nOH
RSO3-Na+
RSO-2Na+
RSO2H
Correct answer is B
No explanation has been provided for this answer.
Which of the following compounds has the highest boiling point?
CH3CH2CH2CH2HO
CH3CH2CH2CHO
CH3CH2CH2CH3
CH3CH2OCH2CH3
Correct answer is A
No explanation has been provided for this answer.