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प्रश्न
What do you observe when ammonium chloride is dissolved in water.
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उत्तर
Dissolution of ammonium chloride in water is an endothemic reaction in which heat energy is absorbed.
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Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
