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The photochemical reactions are those which

(A) Requires photons to interact with chemical species (B) take place at high temperature (C) initiated by visible light only (D) involves photovoltaic cells
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Answer: A photochemical reaction involves photons of light for a chemical reaction. It is 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.
answered Dec 17, 2013 by sreemathi.v
edited Jul 27, 2014 by balaji.thirumalai
 

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