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प्रश्न
Define a photochemical reaction.
परिभाषा
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उत्तर
A chemical reaction that occurs in the presence of light is called a photochemical reaction.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Chemical Changes and Reactions - Exercise 2 (A) [पृष्ठ २३]
