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प्रश्न
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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उत्तर
PbO
संबंधित प्रश्न
Write the probable colour of the following salt:
Ferrous salts
Write the probable colour of the following salt:
Calcium salts
Write the probable colour of the following salt:
Aluminium Salts
Name a colourless cation not a representative element.
Write the colour of the following salt : Aluminium salts.
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'.
Write balanced equation for the following reaction:
Zinc and sodium hydroxide solution
Name the probable cation present based on the following observation:
White precipitate insoluble in NH4OH but soluble in NaOH.
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is ______.
| 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.
