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 maximum number of electrons that can occupy the shell having a principal quantum number of 3 is
3
9
10
18
32
Correct answer is D
No explanation has been provided for this answer.
On exposure to hydrogen sulphide, moist lead (II) ethanoate paper turns
black
blue
green
white
yellow
Correct answer is A
No explanation has been provided for this answer.
Which compound is a product of the hydrolysis of the of CH3COOC3H7 with aqueous sodium hydroxide?
CH3COOH
CH3COONaCCH3OH
CH3OH
C2H5OH
C3H7COONa
Correct answer is A
No explanation has been provided for this answer.
The alloy used for welding and plumbing contains
aluminum and copper.
copper and tin
iron and aluminum.
lead and antimony.
lead and tin.
Correct answer is E
No explanation has been provided for this answer.