First slide
Qualitative analysis
Question

A metal salt solution forms a yellow precipitate with potassium chromate in acetic acid, a white precipitate with dil. sulphuric acid, but gives no precipitate with sodium chloride or iodide. The white precipitate obtained when sodium carbonate is added to the metal salt solution consists of

Moderate
Solution

BaCrO4 is yellow; BaSO4 is white. 

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