How will you prove that hcl acid contains hydrogen and chlorine give equations?
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✔it evolves a gas which is greenish yellow in colour(chlorine) and turns starch iodide paper blue black. the acidic properties of HCL prove the presence of Hydrogen in the acid. the reaction of HCLwith any metal liberates hydrogen, which proves the above.
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Explanation:
when when hydrogen atom combines with chlorine then hydrogen chloride or hydrochloric acid is formed
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