how can u prepare hcl by labratory method?
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Explanation:
Small amounts of HCl gas for laboratory use can be generated in an HCl generator by dehydrating hydrochloric acid with either sulfuric acid or anhydrous calcium chloride. Alternatively, HCl can be generated by the reaction of sulfuric acid with sodium chloride: NaCl + H2SO4 → NaHSO4 + HCl.
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In laboratory, HCl can be prepared by heating sodium chloride with concentrated sulphuric acid.
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