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प्रश्न
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Sodium sulphate solution and sodium chloride solution.
उत्तर
| Sodium sulphate solution | Sodium chloride solution |
| When Sodium sulphate solution is treated with Barium chloride solution, a white precipitate is formed which is insoluble in all the mineral acids. | When Sodium chloride solution is treated with Barium chloride solution, no visible reaction is observed. |
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संबंधित प्रश्न
Write the probable colour of the following salt:
Ferrous salts
Write the probable colour of the following salt:
Cupric salts
Write the probable colour of the following salt:
Ferrous sulphate
Write the probable colour of the following salt:
Aluminium acetate
Name the probable cation present in each of the following solution:
Light blue coloured solution
Name the probable cation present in each of the following solution:
Pink coloured solution
Write the colour of the following salt : Aluminium 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, l, Zn, Pb, Fe)
(a) Which metal salt solution was used?
(b) What is the formula of white gelatinous precipitate obtained?
Write balanced equation for the following reaction:
Iron(II) chloride solution with sodium hydroxide solution.
| 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.
