The Usual Suspects
1.
H
2
SO
4
2.
K
2
CrO
4
3.
Fe(NO
3
)
3
4.
Na
2
S
5.
NiSO
4
6.
KNO
3
7.
Ba(NO
3
)
2
8.
NH
3
9.
NaCl
10.
K
2
C
2
O
4
11.
Cu(NO
3
)
2
12.
SnCl
2
13.
KSCN