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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
Hydrochloric acid contains (i) hydrogen (ii) chlorine. Prove it. Write equations for the reactions.
Give reason for the following:
silver nitrate solution can be used to distinguish HCl from HNO3
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl -> }\]
Name the following:
Acid used to extract glue from bones.
Choose the correct answer from the options given below:
Which of the following statement is not correct ?
Write an equation for the reaction of hydrochloric acid on:
Manganese (IV) oxide
Convert Hydrochloric acid to nascent chlorine.
Convert hydrochloric acid to nascent chlorine.
Complete and balance the following reaction, state whether dilute or cone. 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.
