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ICSE Class 10 Chemistry 2022 Paper

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Write the balanced chemical equation for the following :
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Question : 39 of 55
Marks: +1, -0
Action of heat on manganese dioxide and concentrated hydrochloric acid.
Solution:  
Action of heat on manganese dioxide and conc. hydrochloric acid.
  MnO2+4HCl   (conc.)   →ΔMnCl2\; \mathrm{MnO}_2 + 4 \mathrm{HCl} \; \text{ (conc.) } \; \xrightarrow{\Delta} \mathrm{MnCl}_2 +2H2O+Cl2↑+2 \mathrm{H}_2\mathrm{O} + \mathrm{Cl}_2 \uparrow
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