Name a black metallic oxide which reacts with hydrochloric acid to give a coloured solution.

One Word/Term Answer

Manganese dioxide

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Chapter 8: Study of Compounds A. Hydrogen Chloride - EXERCISE-8 [Page 156]

Chapter 8 Study of Compounds A. Hydrogen Chloride
EXERCISE-8 | Q (B) 3. (a) | Page 156

Hydrochloric acid contains (i) hydrogen (ii) chlorine. Prove it. Write equations for the reactions.

Complete and balance the following reaction, state whether dilute or conc. acid is used.

\[\ce{NH4OH + HCl -> }\]

Complete the following reaction and balance them.
Zn+ 2HCl ⟶

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.

Choose the correct answer from the options given below:
Which of the following statement is not correct ?

Name the gas evolved when dilute hydrochloric acid is added to: Sodium sulphite

Name the gas evolved when dilute hydrochloric acid is added to: Magnesium bicarbonate

Write the steps needed for flame test ?

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.