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प्रश्न
Name the probable cation present based on the following observation:
White precipitate insoluble in NH4OH but soluble in NaOH.
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उत्तर
Pb2+
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संबंधित प्रश्न
Write the probable colour of the following salt:
Cupric salts
Write the probable colour of the following salt:
Iron (III) chloride
Name the probable cation present in each of the following solution:
Pink coloured solution
Write the colour of the following salts: Cuprous salts.
Write the colour of the following salt : Cupric salts.
Write balanced equation for the following reaction:
Zinc and sodium hydroxide solution
Write the observation, and balanced equation for the following reaction:
Moist starch iodide paper is placed at the mouth of a test tube containing chlorine gas.
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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.
