Question

what is meant by photochemical reaction ​

Answer 1

Answer:

Appropriate Question=what is meant by photochemical reaction ?

Answer=photochemical reaction, a chemical reaction initiated by the absorption of energy in the form of light. The consequence of molecules' absorbing light is the creation of transient excited states whose chemical and physical properties differ greatly from the original molecules.

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Answer 2

$\huge\underline\mathfrak\color{aqua}Answer$

The photochemical reaction is non other than a chemical reaction that starts with the light being absorbed asa form of energy.