Sulphate precipitates. Strontium chloride (left), lead (II) nitrate (centre), and silver nitrate (right) are added to three separate test tubes containing zinc sulphate. All solutions are 0.5 M concentration. Respective sulphate precipitates are formed as a result: SrCl2 + ZnSO4 -> SrSO4 + ZnCl2, Pb(NO3)2 + ZnSO4 -> PbSO4 + Zn(NO3)2, AgNO3 + ZnSO4 -> Ag2SO4 + Zn(NO3)2. These are examples of a double displacement reaction. | |
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