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प्रश्न
In Haber’s process of producing ammonia _______ is used as a catalyst.
विकल्प
nitrogen
hydrogen
iron
nickel
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उत्तर
In Haber’s process of producing ammonia, iron is used as a catalyst.
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संबंधित प्रश्न
Burning of matchstick is an example for chemical reaction caused by _______
Decomposition of lead nitrate is an example for a chemical reaction caused by light.
Formation of slaked lime from quicklime is an endothermic reaction.
Light energy may come out due to chemical reactions.
Match the following.
| Rusting | Photosynthesis |
| Electrolysis | Haber’s process |
| Thermolysis | Iron |
| Food | Brine |
| Catalysis | Decomposition of limestone |
What happens to the brine during electrolysis?
On heating, calcium carbonate gives calcium oxide and oxygen. Is it an exothermic reaction or an endothermic reaction?
Lead nitrate produces brown gas on heating.
Photochemistry deals with chemical reactions involving light.
Name the nitrate which does not produce brown gas on heating?
