The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.

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The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is non-volatile acid property. Explanation: The volatile acid HCl is removed from its salt solution through a reaction between H2SO4 and NaCl. \ce{KCl + H2SO4 -> KHSO4 + HCl}

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