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.
zinc
lead
iron
copper
Correct answer is C
No explanation has been provided for this answer.
A common characteristics of copper and silver in their usage as coinage metals is that they
have high metallic lustre
are not easily oxidized
are easily oxidized
are not easil reduced
Correct answer is B
No explanation has been provided for this answer.
blue flame
brick-red flame
violet flame
golden-yellow flame
Correct answer is C
No explanation has been provided for this answer.
CH4 and H2O
CH4 and H2
CO2 and H2
CO and H2
Correct answer is D
No explanation has been provided for this answer.
A form of carbon used for absorbing poisonous gases and purification of noble gases is
wood charcoal
animal charcoal
carbon fibres
carbon black
Correct answer is A
No explanation has been provided for this answer.