Virtual Labs

In gravimetric analysis, which of the following is NOT a fundamental step?

a: Precipitation Explanation

Explanation

b: Chromatographic separation Explanation

Explanation

c: Filtration Explanation

Explanation

d: Ignition and weighing Explanation

Explanation

Which of the following conditions favors the formation of a pure and filterable nickel-dimethylglyoxime precipitate?

a: Rapid addition of the reagent without stirring Explanation

Explanation

b: Cold solution at pH below 5 Explanation

Explanation

c: Slow addition of reagent with heating and stirring Explanation

Explanation

d: Strong acidic medium with vigorous shaking Explanation

Explanation

Gravimetric Estimation of Nickel