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प्रश्न
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
उत्तर
Ammonia [NH3]: Bring a glass rod dipped in cone. HCl gives dense white fumes. Turns nessler’s reagent from colourless to pale-brown.
Hydrogen chloride [HCl]: Bring a glass rod dipped in cone. HCl, no white fumes. No-action with nessler’s reagent.
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संबंधित प्रश्न
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The hydrogen molecule is monovalent.
Give a balanced chemical equation for the reaction.
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FILL IN THE BLANK
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| 1. An atom of hydrogen | A: Chromic oxide |
| 2. A strong oxidising agent | B: Ammonia |
| 3. A promoter used in Bosch process | C: Iron |
| 4. A chemical used in the manufavture of fertilizers | D: One electron |
| 5. The catalyst used in production of a basic gas from nitrogen. | E: Dilute nitric acid |
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Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
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The element, which like hydrogen has one valence electron.
