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प्रश्न
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
उत्तर
When exposed to hydrogen sulphide gas, moist lead acetate paper turns black; when exposed to hydrogen chloride gas, it remains colourless.
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संबंधित प्रश्न
Name an element which reacts with hydrogen to form a compound which is strongly acidic in water.
Convert two soluble metallic nitrates to insoluble metallic chlorides using \[\ce{dil. HCl}\].
State which component is the oxidizing agent in aqua regia.
Name the following:
Gas obtained by treating ferrous sulphide with hydrochloric acid.
What is the function of HCI in preparation of aqua-regia?
Write a fully balanced of the following case :
Red lead is warmed with concentrated hydrochloric acid.
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.
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.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
