Answers

2014-04-01T15:00:40+05:30

1) forming insoluble barium sulfate 
BaCl2(aq) + Na2SO4(aq) ---> BaSO4(s) + 2NaCl(aq) 
2) formation of insoluble zinc hydroxide 
ZnSO₄(aq) + 2NaOH(aq) -------> Zn(OH)₂(s) + Na2SO _{4} (aq)


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2014-04-01T15:23:13+05:30
1. Na2SO4 + CaCl2 ----> NaCl + CaSO4

2. Pb(NO3)2 + KI ----> PbI2 + KNO3 NaOH +

3. CuCl2 ----> (CH3COO)2Cu + NaCl

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