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 hydrocarbon that burns in air with a sooty flames is
C2H6
C3H8
C4H10
C6H6
Correct answer is D
No explanation has been provided for this answer.
Which of the following metals is passive to concentrated trioxonitrate (V) acid?
Iron
Tin
Copper
Zinc
Correct answer is A
No explanation has been provided for this answer.
A metal that can be extracted from cassitertite is
cacium
magnesium
tin
copper
Correct answer is C
No explanation has been provided for this answer.
magnesium and zinc
magnesium and calcium
copper and zinc
lead and calcium
Correct answer is B
No explanation has been provided for this answer.
What properties of duralumin make it more useful than its constituent metals?
It is heavy with a high melting point
It is malleable and has high density
It is strong and light
It is hard and ductile
Correct answer is C
No explanation has been provided for this answer.