Answer :

The precipitates are

Ppt A  Sr(OH)2      Strontium hydroxide

Ppt B   BaCO3        Barium carbonate

Ppt C   SrCO3         Strontium carbonate

Ppt D   BaSO4         Barium sulphate

Ppt E   Sr(OH)2      Strontium hydroxide

Ppt F   SrSO4         Strontium sulphate

What is a precipitate ?

Precipitation is the process of changing a dissolved substance from a super-saturated solution to an insoluble solid in an aqueous solution. Precipitate refers to the produced solid. The chemical agent that initiates the precipitation in an inorganic chemical process is referred to as the precipitant. 

The term "supernate" or "supernatant" also refers to the clear liquid that remains on top of the precipitated or centrifuged solid phase.

The precipitates are

Ppt A  Sr(OH)2      Strontium hydroxide

Ppt B   BaCO3        Barium carbonate

Ppt C   SrCO3         Strontium carbonate

Ppt D   BaSO4         Barium sulphate

Ppt E   Sr(OH)2      Strontium hydroxide

Ppt F   SrSO4         Strontium sulphate


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