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प्रश्न
Write the colour of the following salt : Calcium salts.
उत्तर
Calcium salts = Colourless
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संबंधित प्रश्न
Write the probable colour of the following salt:
Ammonium salts
Write the probable colour of the following salt:
Cupric salts
Name a colourless cation not a representative element.
Write the probable colour of the following salt:
Potassium nitrate
Name the probable cation present based on the following observation:
Blue coloured solution.
Name the probable cation present in each of the following solution:
Light blue coloured solution
Write the colour of the following salt : Ferrous salts.
A metal whose alloy finds use in the construction of aircrafts in the powdered form is added to sodium hydroxide solution. A colourless gas was evolved and after reaction was over, the solution was colourless.
(a) Name the powdered metal added to sodium hydroxide solution.
(b) Name the gas evolved.
(c) Name the salt present in the colorless solution.
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'.
| 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.
