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 electron configuration of carbon atom in its excited state is [ 6C]
1s22s 22px12py 1
1s 2 2s 22px 22pyo
1s12s22px12py12pz1
1s 22s12px12py12pz1
Correct answer is D
No explanation has been provided for this answer.
Which of the following alloys does not contain copper? l. Brass II. Bronze III. Steel
l only
ll only
lll only
ll and lll only
Correct answer is C
No explanation has been provided for this answer.
The major product in the solvay process is
NaOH
Na 2CO 3
NH 3
H 2SO4
Correct answer is B
No explanation has been provided for this answer.
A consequence of global warming is
air pollution
flooding
increased humidity
low rainfall
Correct answer is B
No explanation has been provided for this answer.
Dry hydrogen chloride when dissolved in methylbenzene
turns blue litmus paper red
turns red litmus paper blue
does not affect litmus paper
bleaches litmus paper
Correct answer is C
No explanation has been provided for this answer.