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प्रश्न
Give reason for the following:
Blue colour of copper sulphate solution is destroyed when iron filings are added to it.
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उत्तर
When iron fillings are added to copper sulphate solution, iron will displace copper to form iron sulphate. The blue colour of the copper sulphate solution changes to green as iron sulphate is green in colour.
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संबंधित प्रश्न
.................... liberated when acetic acid reacts with sodium metal.
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