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Q8) Complete the following equations of precipitation reaction. Name the precipitate obtained. (a) CaCl2 + Na2CO3(b) Zn(NO3)2 + Na2CO3(c) ZnSO4 + (NH4)2CO3(d) Pb(NO3)2 + Naci(e) Pb(NO3)2 + Na2SO4 |
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Answer» a) CaCl2(aq) + Na2CO3(aq) → CaCO3(s) + 2NaCl(aq)b) Na2CO3 (aq) + Zn(NO3)2 (aq) -->2 NaNO3(aq) + ZNCO3 (s)c) 2ZnSO4 + 2(NH4)2CO3 → ZN2(CO3)2 + 2(NH4)2SO4d) NaCl + Pb(NO3)2 → NaNO3 + PbCl2e) Pb(NO3)2 + Na2SO4 → PBSO4 + 2NaNO3 |
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