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प्रश्न
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Lead nitrate to ammonium hydroxide.?
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उत्तर
Lead nitrate and ammonium hydroxde
\[\ce{Pb(NO3)2 + 2NH4OH -> 2NH4NO3 +\underset{\text{Lead hydroxide}}{Pb(OH)2↓}}\]
The precipitate formed is Lead hydroxide which is chalky white in colour.
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संबंधित प्रश्न
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aluminium sulphate + sodium hydroxide → sodium sulphate + sodium meta aluminate + water.
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| Column A | Column B |
| (a) Blue salt changes to white and then black | (i) Ammonium dichromate |
| (b) Orange coloured compound changes to green. | (ii) Iodine |
| (c) Red compound changes to brown and then yellow. | (iii) Zinc Nitrate |
| (d) White to yellow when hot and white when cold. | (iv) Copper sulphate |
| (e) Violet solid changes to violet vapours. | (v) Red Lead |
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