1.

which is not soluble in CH_(3)COOH ?

Answer»

`CaC_(2)O_(4)`
`Na_(2)C_(2)O_(4)`
`K_(2)C_(2)O_(4)`
`CaCO_(3)`

SOLUTION :`CaC_(2)O_(4)` (white precipitate) does not DISSOLVE in `CH_(3)COOH`.


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