1.

Which of the following compound(s) give yellow precipitate with BaCI_(2) solution?

Answer»

`Na_(2)Cr_(2)O_(7)+CH_(3)COONa`
`K_(2)CrO_(4)+CH_(3)COOH`
`Na_(2)HPO_(4)+NH_(3)`
`Na_(2)S_(2)O_(3)`

ANSWER :A::B


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