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281
A solution of pH 7 is
A.
acidic
B.
neutral
C.
concentrated
D.
dilute
E.
saturated
View Answer & Discuss (1)
WAEC 1996
282
Which of the following equations represents a neutralization reaction?
A.
CaCI
2
+ 2HCI →CI
2
+CaCI
2
+ H
2
O
B.
Na
2
O
2
+ H
2
SO
4
→ Na
2
SO
4
+ H
2
O
2
C.
H
2
SO
4
+ KOH → KHSO
4
+ H
2
O
D.
2Na + 2H
2
O → 2NaOH + H
2
E.
CuSO
4
+ 2NaOH → Cu(OH)
2
+ Na
2
SO
4
View Answer & Discuss (1)
WAEC 1996
283
Amphoteric oxides are oxides which
A.
react with water to form acids
B.
react with water to form alkali
C.
show neither acid nor basic properties
D.
react with acids alkalis
E.
contain high proportion of oxygen
View Answer & Discuss (2)
WAEC 1996
284
The following acids are monobasic except
A.
trioxonitrate (V) acid
B.
hydrochloric
C.
ethanoic acid
D.
tetraoxophosphorus (V) acid
E.
dioxonitrate (lll) acid
View Answer & Discuss (3)
WAEC 1996
285
An arrangement of two different metals in aqueous solutions of their salts to produce an electronic current is known as
A.
electrochemical cell
B.
activity series
C.
thermocouple
D.
voltameter
E.
galvanometer
View Answer & Discuss (2)
WAEC 1996
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