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.
300, 500
500, 300
-300, -500
-500, -300
Correct answer is C
The uncatalysed reverse reaction = 100 - 400 = -300 The calalysed reverse reaction = 100 - 600 = - 500
Which of the curves in the above graph illustrates the behaviour of an ideal gas?
W
X
Y
Z
Correct answer is C
No explanation has been provided for this answer.
In the above set up substances X and Y are respectively
lime water copper (ll) tetraoxosulphate (lV)
potassium trioxocarbonate and alkaline pyrogallol
potassium hydroxide and alkaline pyrogallol
potassium trioxocarbonate (lV) and concentrated tetraoxosulphate (IV) acid
Correct answer is C
No explanation has been provided for this answer.
It can be deduced from the vapour pressure curves above that
liqiud 1 has the highest boiling point
liquid ll has the highest boiling point
liquid lll has the highest boiling point
liquid lll has the lowest boiling point
Correct answer is C
Trace the iii curve horizontally and you have over 20°C temperature
The acidic hydrogen in the compound is the hydrogen attached to carbon number
5
4
3
1
Correct answer is D
No explanation has been provided for this answer.