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1841
A sample of orange juice is found to have a PH of 3.80. What is the concentration of the hydroxide ion in the juice?
A.
1.6 \(\times\) 10
-4
B.
6.3 \(\times\) 10
-11
C.
6.3 \(\times\) 10
-4
D.
1.6 \(\times\) 10
-11
View Answer & Discuss (21)
JAMB 2017
1842
Incomplete oxidation of ethanol yields
A.
CH
3
COOH
B.
CH
3
COCH
3
C.
CH
3
CH
2
OCH
2
CH
3
D.
CH
3
CHO
View Answer & Discuss (2)
JAMB 2017
1843
The salt formed from a weak acid and a strong base hydrolyzes in water to form
A.
A saturated solution
B.
an acidic solution
C.
a buffer solution
D.
an alkaline solution
View Answer & Discuss (2)
JAMB 2017
1844
The ideal gas laws and equations are true for all gases at
A.
low pressures and lower temperatures
B.
low temperatures and high pressures
C.
high pressures and high temperatures
D.
low pressure and high temperatures
View Answer & Discuss (1)
JAMB 2017
1845
When ΔH is negative, a reaction is said to be
A.
endothermic
B.
exothermic
C.
reversible
D.
ionic
View Answer & Discuss (3)
JAMB 2017
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