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1096
Propane carbon(IV)oxide diffuse at the same rate because [H = 1.00, C = 12.0, O = 16.0]
A.
They are both gases
B.
Their molecules contain carbon
C.
They have the same relative molecular mass
D.
Both are denser than air
View Answer & Discuss (1)
WAEC 2016
1097
The energy which accompanies the addition of an electron to an isolated gaseous atom is
A.
Atomization
B.
Electronegativity
C.
Electron affinity
D.
Ionization
View Answer & Discuss (1)
WAEC 2016
1098
An aqueous solution of (NH4)2 SO4 is
A.
Acidic
B.
Alkaline
C.
Amphoteric
D.
Neutral
View Answer & Discuss (6)
WAEC 2016
1099
When NH
4
Cl
(s)
is dissolved in water, the container feels cold to touch. This implies
A.
The process is endothermic
B.
The process is exothermic
C.
NH
4
Cl forms a saturated solution
D.
NH
4
Cl is highly soluble in water
View Answer & Discuss (5)
WAEC 2016
1100
The pH of four solutions M,N,Q and R are 2,6,8 and 11 respectively.
Which of the following deductions about the solutions is correct?
A.
The pH of N is increased when the solution is diluted
B.
The pH of Q is increased when the solution is evaporated
C.
M is the most alkaline solution
D.
R is the most acidic solution
View Answer & Discuss (7)
WAEC 2016
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