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 following gases decolorize bromine water except
C2H6
C2H4
C2H2
C3H4
C3H6
Correct answer is A
No explanation has been provided for this answer.
Stirring the mixture vigorously
Adding more calcium chloride solution
lncreasing the concentration of the ethanedioic acid
Adding concentrated hydrochloric acid
Adding some distilled water
Correct answer is D
No explanation has been provided for this answer.
group lV elements
group l metals
transition metals
alkaline earths
the halogens
Correct answer is C
No explanation has been provided for this answer.
0.005 mole
0.025 mole
0.05 mole
1.00 mole
1.05 mole
Correct answer is C
No explanation has been provided for this answer.
Chlorine is is used in water treatment as
a germicide
a decolorizing agent
an antioxidant
a coagulating agent
an aerating agent
Correct answer is A
No explanation has been provided for this answer.