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प्रश्न
Define the following term : Hygroscopic substance
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उत्तर
Hygroscopic substance : The compound which absorbs water vapour from the atmosphere.
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संबंधित प्रश्न
The acid which is used in the preparation of a volatile acid
Identify the acid in the following case:
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Potassium hydrogen carbonate.
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Write balanced chemical equation to show :
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