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प्रश्न
Write a balanced equation for the action of dilute hydrochloric acid on sodium sulphide.
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उत्तर
\[\ce{Na2S + 2HCl -> 2NaCl + H2S}\]
संबंधित प्रश्न
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.
Name the following:
A chemical in which gold can be dissolved.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
What is the property of concentrated sulphuric acid (H2SO4) which allows it to be used in the preparation of hydrogen chloride (HCl) and nitric acid (HNO3)?
Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution :
| S.NO. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | ______ | ______ |
| 2. | Magnesium ribbon | ______ | ______ |
| 3. | Manganese (IV) oxide with heating | ______ | ______ |
| 4. | Sodium sulphide | ______ | ______ |
Complete the table by writing the gas evolved in each case and its odour.
