Categories: Chemistry NECO

In which of these groups will all the substances be insoluble in water?

A. Na2CO3, KNO3, (NH4)2CO3
B. NaHCO3, PbSO4, CaSO4
C. K2CO3, CaSO4, AgNO3
D. PbCl2, NaCl, ZnCl2
E. ZnCO3, BaSO4, AgCl

Correct Answer:

Option E – ZnCO3, BaSO4, AgCl

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