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 ability of carbon to form long chains is referred to as
Alkylation
Acylation
Carbonation
Catenation
Correct answer is D
No explanation has been provided for this answer.
Ammonium chloride can be separated from its mixture with common salt by
Distillation
Evaporation
Decantation
Sublimation
Correct answer is D
No explanation has been provided for this answer.
The principle of column chromatography is based on th ability of the constituents to
React with the solvent in the column
React with each other in the solvent in the column
Dissolve in each other in the column
Move at different speeds in the column
Correct answer is D
No explanation has been provided for this answer.
The enzyme used in the hydrolysis of starch to dextrin and maltose is
Zymase
Sucrase
Amylase
Lactase
Correct answer is C
No explanation has been provided for this answer.
The condition required for corrosion to take place is the presence of
Oxygen and Carbon (IV) oxide
Water and Oxygen
Water and Carbon (IV) oxide and Oxygen
Water and Carbon (IV) oxide
Correct answer is B
The conditions necessary for corrosion to take place are; 1 presence of oxygen 2 moisture(water)
In an electrochemical cell, polarization is caused by
Oxygen
Hydrogen
Tetraoxosulphate(IV) acid
Chlorine
Correct answer is B
No explanation has been provided for this answer.
Which of the following classes of organic compounds undergoes rapid oxidation with bromine water?
alcohols
alkenes
carboxylic acids
esters
alkanes
Correct answer is B
No explanation has been provided for this answer.
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