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Problem
The metal oxide which decomposes on heating is/are : a.
ZnO
\text{ZnO}
ZnO
b.
Al
2
O
3
\text{Al}_2\text{O}_3
Al
2
O
3
c.
Ag
2
O
\text{Ag}_2\text{O}
Ag
2
O
d.
HgO
\text{HgO}
HgO
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