Đặt câu với từ "red precipitate"

1. A blood red precipitate is formed - the copper Acetylide- which upon drying is se

2. Potassium Chromate reacts with the first slight excess silver ion to form a red precipitate of silver Chromate

3. If Denigés' reagent is added to a solution containing compounds that have tertiary alcohols, a yellow or red precipitate will form.

4. Aldehydes and ketones react with Borsches reagent to form yellow, orange or red precipitate (dinitro phenylhydrazone) Aliphatic carbonyl compounds give deep yellow precipitate.

5. By adding the Fehling reagents (Fehling (I) solution and Fehling (II) solution), the aldehyde group is oxidized to a carboxylic acid, while the Cu2+ tartrate complex is reduced to Cu+ and forming a brick red precipitate (Cu2O).