EVERYDAY SCIENCE

Detailed explanation-1: -When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air toward your face.

Detailed explanation-2: -The correct technique for testing the odor is to raise your hand above the container then waft the air towards your nose; in this way, a minimum amount of fumes get inhaled. The technique is called wafting technique.

Detailed explanation-3: -Never touch, taste, or smell chemicals. If you are allowed to smell a chemical, be sure to waft it towards you. Never smell any chemical directly.

Detailed explanation-4: -Fumes When poisonous or unpleasant vapors may be involved, work in a ven-tilated area. Avoid inhaling vapors directly. Only test an odor when directed to do so by your teacher, and use a wafting motion to direct the vapor toward your nose. Disposal Chemicals and other used materials must be disposed of safely.

Detailed explanation-5: -Wafting is a laboratory technique used to ensure the safety of the experimenter from possible harmful vapors or fumes. It involves wafting or fanning the air above the substance towards the experimenter’s nose using a hand while ensuring that the face remain some distance away from the substance in question.