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प्रश्न
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Mangenese dioxide and copper (II) oxide. (using concentrated HCl)
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उत्तर
MnO2 with conc. HCl gives Cl2 gas where as Cu2O does not.
संबंधित प्रश्न
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Name the gas evolved when dilute hydrochloric acid is added to: Lead (II) sulphide
Name the gas evolved when dilute hydrochloric acid is added to: Magnesium bicarbonate
Name the gas evolved when dilute hydrochloric acid is added to: Potassium bisulphite
How will you prove that hydrochloric acid contains
- hydrogen
- chlorine?
Write equations for the reactions.
Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NA4OH + HCl -> }\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.

Convert hydrochloric acid to nascent chlorine.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

