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For questions regarding the chemical processes or chemicals involved in distinguishable smells

This tag should be applied to chemistry questions which involve one of the human senses - Olfaction - or the odor behind them. The question must be about the chemical process or the chemicals that cause the specific odor behind a natural phenomenon. Under-researched questions might be identified as questions per community consensus, and dealt with in accordance to our homework policy.

Please check the help center to ensure that your question is a good fit for Chemistry.StackExchange before posting it. The existence of this tag by no means indicates that all -related questions are on-topic.