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1.
The correct formula for iron(III) oxide is
A.
Fe
3
O
2
B.
FeO
C.
Fe
3
O
D.
Fe
2
O
3
E.
Fe
3
O
3
2.
The correct formula for sodium phosphate is
A.
Na
3
PO
4
B.
NaPO
4
C.
Na
3
PO
3
D.
Na
2
PO
4
E.
Na
2
PO
3
3.
The correct formula for sodium bromide is
A.
Na
2
Br
B.
SBr
C.
SBr
2
D.
NaBr
2
E.
NaBr
4.
Which of the following is named correctly?
A.
HCl
(aq)
; hypochlorous acid
B.
(NH
4
)
3
PO
3
; ammonium phosphate
C.
H
2
SO
3
(aq)
; sulfuric acid
D.
Cu(OH)
2
; copper(II) hydroxide
E.
HNO
3
(aq)
; nitrous acid
5.
The correct formula for iron (III) nitrate is
A.
Fe
2
(NO
3
)
2
B.
Fe(NO
3
)
3
C.
Fe(NO
3
)
2
D.
Fe
2
(NO
3
)
3
E.
Fe
3
(NO
3
)
2
6.
What is the formula for copper(I) chloride?
A.
CuCl
2
B.
CuCl
C.
CuClO
D.
CuClO
2
E.
CuClO
3
7.
What is the formula for manganese(IV) oxide?
A.
MgO
2
B.
Mn
4
O
C.
MnO
2
D.
Mn
2
O
E.
Mg
2
O
8.
The correct formula for silicon dioxide is
A.
Si
2
O
2
B.
Si
2
O
C.
SiO
2
D.
SiO
E.
none of these
9.
The correct formula for nitrous acid is
A.
H
2
(NO
3
)
2
(aq)
B.
HNO
3
(aq)
C.
H
2
NO
2
(aq)
D.
HNO
2
(aq)
E.
H
2
(NO
2
)
2
(aq)
10.
The correct formula for sodium sulfite is
A.
Na
2
SO
4
B.
Na
2
SO
3
C.
Na(SO
4
)
2
D.
Na(SO
3
)
2
E.
Na(SO
4
)
3
11.
What is the formula for potassium sulfate?
A.
K
2
SO
4
B.
K
2
SO
3
C.
KSO
4
D.
KSO
3
E.
K
2
S
12.
What is the formula for calcium hydroxide?
A.
CaOH
B.
Ca(OH)
2
C.
Ca(OH)
3
D.
Ca
2
(OH)
3
E.
none of these
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