delete sulphuric acid is used in laboratory by students because dilute acid is highly reactive
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YES ITS TRUE.
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1. Conc. sulphuric acid is poured through the thistle funnel into a flask with NaCl
2. Reaction proceeds and gas is liberated on heating
3. HCl gas is evolved with effervescence
4. HCl is dried by passing through Conc. sulphuric acid
IT IS TRUE
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