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प्रश्न
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
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उत्तर
\[\ce{FeS + 2HCl → FeCl2 + H2S ^}\]
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संबंधित प्रश्न
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
State the use of aqua-regia.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
Write a fully balanced of the following case :
Red lead is warmed with concentrated hydrochloric acid.
Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Sodium hydrogen carbonate
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.
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
