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प्रश्न
Burning of matchstick is an example for chemical reaction caused by _______
पर्याय
contact in physical states
electricity
light
catalyst
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उत्तर
Burning of matchstick is an example for chemical reaction caused by light.
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संबंधित प्रश्न
In Haber’s process of producing ammonia _______ is used as a catalyst.
Electrolysis of brine solution gives _______ gases.
Formation of slaked lime from quicklime is an endothermic reaction.
Light energy may come out due to chemical reactions.
What is pollution?
What happens to the brine during electrolysis?
Explain any three conditions that are required for a chemical reaction to take place. Give example.
Palanikumar is a Lawyer. He lives in a luxurious flat. Due to high rent, he wants to shift his residence to a place where he has a chemical industry nearby. There the rent is very cheap and the area is less populated also. His son Rajasekar, studying VIII, does not like this and likes to go to some other place.
- Is Rajasekar right in his attitude?
- Why did he refuse to go there?
- What are the values shown by Rajasekar?
Chemically rust is ______.
Photochemistry deals with chemical reactions involving light.
