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.
Starch could be converted to glucose by the process of
Condensation
Dehydration
Fermentation
Hydrolysis
Correct answer is D
No explanation has been provided for this answer.
A compound has an empirical formular CH2O and molecular mass of 90.
[H = 1.00, C = 12.0, O = 16.0]
C4H10O2
C3H10O2
C3H6O3
C2H2O4
Correct answer is C
(CH2O)n = 90; (12 + (1 x 2) + 16)n = 90
(12 + 2 + 16)n = 90; 30n = 90; n = 9030; n = 3
(CH2O)3 = Molecular formula ; = C3H6O3
The complete hydrogenation of benzene gives
Cyclohexene
Cyclohexane
Hexene
Hexane
Correct answer is B
No explanation has been provided for this answer.
Which of the following metals is the strongest reducing agent?
Sodium
Silver
Potassium
Copper
Correct answer is C
No explanation has been provided for this answer.