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.
Carbon (ll) oxide may be collected as shown above because it
is heavier than air
is less dense than air
is insoluble in water
burns in oxygen to form carbon (IV) oxide
Correct answer is C
No explanation has been provided for this answer.
l
ll
lll
lV
Correct answer is D
No explanation has been provided for this answer.
A
B
C
D
Correct answer is A
No explanation has been provided for this answer.
Which of the gas laws does the above graph illustrate?
Boyle
Charles
Graham
Gay-Lussac
Correct answer is B
No explanation has been provided for this answer.
evaporation
recrystallization
sublimation
fractional precipitation
Correct answer is C
No explanation has been provided for this answer.