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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
Name the experiment which demonstrates that hydrogen chloride is soluble in water.
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: Magnesium bicarbonate
Name the gas evolved when dilute hydrochloric acid is added to: Potassium bisulphite
Give a balanced equation when dilute hydrochloric acid is added to : Calcium carbonate
Give a balanced equation when dilute hydrochloric acid is added to : Magnesium bicarbonate
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.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
