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ICSE Class 10 Chemistry 2018 Paper

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Question : 50 of 80
Marks: +1, -0
Write the balanced chemical equation for the laboratory preparation of hydrogen chloride gas.
Solution:  
NaCl+H2SO4→<200∘CNaHSO4+HCl↑\mathrm{NaCl}+\mathrm{H}_2\mathrm{SO}_4 \xrightarrow{< 200^{\circ}\mathrm{C}}\mathrm{NaHSO}_4+\mathrm{HCl}\uparrow
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