Chemistry
Match the statements in List I with the appropriate answer in List II.
| List I | List II |
|---|---|
| 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 manufacture of fertilizers | D: One electron |
| 5. The catalyst used in production of a basic gas from nitrogen | E: Dilute nitric acid |
Hydrogen
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Answer
| List I | List II |
|---|---|
| 1. An atom of hydrogen | D: One electron |
| 2. A strong oxidising agent | E: Dilute nitric acid |
| 3. A promoter used in Bosch process | A: Chromic oxide |
| 4. A chemical used in the manufacture of fertilizers | B: Ammonia |
| 5. The catalyst used in production of a basic gas from nitrogen | C: Iron |
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In the laboratory preparation of hydrogen from zinc and dilute hydrochloric acid the zinc used is granulated zinc.
In Bosch process - the final gaseous products are passed through caustic potash [KOH] soln.
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B: Sodium
C: Iron
D: Iron [III] oxide
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A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
The metallic compound used as a catalyst in Bosch process.
The metal used as a catalyst in hydrogenation of oils.
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Select the correct answer from the choice in bracket to complete each sentence.
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The gas which has now replaced hydrogen in air balloons is …………… [argon, helium, neon]