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प्रश्न
Name a black metallic oxide which reacts with hydrochloric acid to give a coloured solution.
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उत्तर
Manganese dioxide
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संबंधित प्रश्न
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.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Mangenese dioxide and copper (II) oxide. (using concentrated HCl)
Name the gas evolved when dilute hydrochloric acid is added to: Potassium bisulphite
Give a balanced equation when dilute hydrochloric acid is added to : Sodium sulphite
How will you prove that hydrochloric acid contains
- hydrogen
- chlorine?
Write equations for the reactions.
Write an equation for the reaction of hydrochloric acid on:
Manganese (IV) oxide
Complete and balance the following reaction, state whether dilutes or conc. acid is used.
\[\ce{NH4OH + HCl -> }\]
Complete and balance the following reaction; state whether it is dilute or cone. acid is used.
\[\ce{NH_4OH + HCl ->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
