Advertisements
Advertisements
प्रश्न
The questions (i) to (v) refer to the following salt solutions listed A to F:
- Copper nitrate
- Iron (II) sulphate
- Iron (III) chloride
- Lead nitrate
- Magnesium sulphate
- Zinc chloride
- Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?
- Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution ?
- Which solution will give a white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
- Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it ?
- Which solution gives a white precipitate with excess ammonium hydroxide solution?
Advertisements
उत्तर
- Magnesium sulphate, Lead nitrate
- Magnesium sulphate, Iron (III) chloride
- Lead nitrate
- Copper nitrate
- Lead nitrate
संबंधित प्रश्न
Write the probable colour of the following salt:
Calcium salts
Write the probable colour of the following salt:
Potassium nitrate
Write the probable colour of the following salt:
Ferrous sulphate
Write the probable colour of the following salts:
Calcium carbonate
Write the colour of the following salt : Ferric salts.
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears. This precipitate, however, dissolves on addition of excess of ammonia solution. Identify (Choose from Na, Al, Zn, Pb, Fe).
- Which metal salt solution was used?
- What is the formula of the white gelatinous precipitate obtained?
Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is ______.
A metal which produces hydrogen on reacting with alkali as well as with acid.
| Abhishek was given a salt ‘X’ which was white in colour for analysis. On strong heating, it produced a yellow residue, a colourless gas and also a reddish-brown gas. The solution of the salt ‘X’, when tested with an excess of ammonium hydroxide, produced a chalky white insoluble precipitate. |
- Name the coloured gas that evolved when Abhishek heated the salt strongly.
- Which cation was present in the sample given to Abhishek?
- Identify the salt given to Abhishek for analysis.
