Answer:
yaeh
Step-by-step explanation:
a)Ca(OH)
2
+CO
⟶CaCO
3
+H
O
No. of atoms:Ca−1;O−4;H−2;C−1
b)Zn+AgNO
⟶ZnNO
+Ag
No. of atoms:Zn−1;Ag−1;N−1;O−3.
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