The reason for wafting or fanning a small amount of chemical vapors toward the nose in order to detect odors in a test tube is to protect the respiratory tract against potentially harmful vapors. a. True - QAmmunity.org

The reason for wafting or fanning a small amount of chemical vapors toward the nose in order to detect odors in a test tube is to protect the respiratory tract against potentially harmful vapors. a. True

asked Apr 8, 2021 57.8k views

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