Which of the following statements is`//` are correct ?   `(I)` White precipitate of `
Channel: Doubtnut
Date: 2020-04-12

Which of the following statements is`//` are correct ?   `(I)` White precipitate of `Zn(OH)_(2)` is soluble in excess ammonia and in solutions of ammonium salts.   `(II)` Yellow precipitate of barium chromate is soluble in dilute acetic acid as well as in mineral acids.   `(III)` Green precipitate of `Ni(OH)_(2)` is soluble in excess sodium hydroxide.