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प्रश्न
Light energy may come out due to chemical reactions.
पर्याय
True
False
उत्तर
Light energy may come out due to chemical reactions- False.
Correct statement:
Browning of some vegetables and fruits is due to melanin formation.
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संबंधित प्रश्न
In Haber’s process of producing ammonia _______ is used as a catalyst.
Electrolysis of brine solution gives _______ gases.
Decomposition of lead nitrate is an example for a chemical reaction caused by light.
Formation of slaked lime from quicklime is an endothermic reaction.
Match the following.
| Rusting | Photosynthesis |
| Electrolysis | Haber’s process |
| Thermolysis | Iron |
| Food | Brine |
| Catalysis | Decomposition of limestone |
What is pollution?
Explain any three conditions that are required for a chemical reaction to take place. Give example.
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?
