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प्रश्न
Explain how anhydrous copper sulphate can be used to detect the presence of moisture (water) in a liquid.
स्पष्ट करा
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उत्तर
A few drops of the liquid to be tested are added to white anhydrous copper sulphate powder. The appearance of a blue colour in anhydrous copper sulphate indicates the presence of moisture or water in the liquid.
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