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CISCE(English Medium) ICSE Class 9
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Syllabus

Define a photochemical reaction.

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Question

Define a photochemical reaction.

Definition
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Solution

A chemical reaction that occurs in the presence of light is called a photochemical reaction.

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Chemical Reaction
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Q 4.1 (i)
Chapter 2: Chemical Changes and Reactions - Exercise 2 (A) [Page 23]

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Selina Concise Chemistry [English] Class 9 ICSE
Chapter 2 Chemical Changes and Reactions
Exercise 2 (A) | Q 4.1 (i) | Page 23
Selina Concise Chemistry [English] Class 9 ICSE
Chapter 2 Chemical Changes and Reactions
Exercise 2 (C) | Q 9.1 (i) | Page 32
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