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प्रश्न
Define a photochemical reaction.
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उत्तर
A chemical reaction that occurs in the presence of light is called a photochemical reaction.
संबंधित प्रश्न
How do the following help in bringing about a chemical change?
pressure.
Complete and balance the following chemical equations:
N2 + O2 →
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Give an example of a reaction where the following are involved
Light
Write your observation and a balanced equation in the case of the following substances being heated.
Zinc carbonate.
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
The percentage composition of Nitrogen in Ureas is ______.
______ is the chemical name of rust.
Collect information about the types of fuels used for cooking in your area. Discuss with your teachers/parents/others which fuels are less polluting and why.
