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Q. |
Photoxidation process is initiated by – |
A. | light |
B. | heat |
C. | oxygen |
D. | catalyst |
Answer» A. light | |
Explanation: Oxidation is a process in which something (an atom or molecule or substance) loses an electron to something else. Photo- oxidation is therefore the process of oxidation which is caused by shining light on it. Often, light can be used to cause reactions to happen, such as oxidation. The term "photo" comes from "photon" which is light. The effect is facilitated by radiant energy such as UV or artificial light. This process is the most significant factor in weathering of polymers. |
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