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Problem
Which of the following substances are soluble in NaOH solution? a.
Sn(OH)
2
\text{Sn(OH)}_2
Sn(OH)
2
b.
Al(OH)
3
\text{Al(OH)}_3
Al(OH)
3
c.
Bi(OH)
3
\text{Bi(OH)}_3
Bi(OH)
3
d.
Pb(OH)
2
\text{Pb(OH)}_2
Pb(OH)
2
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