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.
When ice is changing to water, its temperature remains the same because the heart gained is
used to separate the molecules
lost partially to the atmosphere
used to increase the volume of ice
less than the activation energy
Correct answer is A
No explanation has been provided for this answer.
Which of the following compounds dissolves readily in water?
BaSO4
CuSO3
NH4CI
AgCI
Correct answer is C
No explanation has been provided for this answer.
2, 4, 6
3, 2, 4
2, 3, 6
3, 2 6
Correct answer is C
No explanation has been provided for this answer.
A salt that absorbs moisture from the atmosphere without forming a solution is said to be
efflorescent
deliquescent
hygroscopic
insoluble
Correct answer is C
No explanation has been provided for this answer.
dehydration
hydrolysis
double decomposition
Neutralization
Correct answer is B
No explanation has been provided for this answer.