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प्रश्न
Light energy may come out due to chemical reactions.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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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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Effects of Chemical Changes: Production of Heat, Light, Sound and Pressure
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संबंधित प्रश्न
Burning of matchstick is an example for chemical reaction caused by _______
_______ undergoes rusting.
Electrolysis of brine solution gives _______ gases.
Decomposition of lead nitrate is an example for a chemical reaction caused by light.
Match the following.
| Rusting | Photosynthesis |
| Electrolysis | Haber’s process |
| Thermolysis | Iron |
| Food | Brine |
| Catalysis | Decomposition of limestone |
What is pollution?
What happens to the brine during electrolysis?
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?
