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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
संबंधित प्रश्न
Name the chemical in which gold can be dissolved.
Name the experiment which demonstrates that hydrogen chloride is soluble in water.
Complete the following reaction and balance them.
Zn+ 2HCl ⟶
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: Lead (II) sulphide
Give a balanced equation when dilute hydrochloric acid is added to : Lead (II) sulphide
How will you identify?
Chlorine gas
Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NA4OH + HCl -> }\]
Complete and balance the following reaction, state whether dilutes 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.
