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प्रश्न
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
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उत्तर
On heating, sugar powder is charred and becomes black while salt does not char. When dissolved in water, the salt solution will conduct electricity because it is ionic while sugar solution will not conduct electricity because it is covalent.
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संबंधित प्रश्न
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