When smelling a chemical in a chemistry lab, which of the following is the proper technique?

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Correct Answer: A. waft the air toward your nose
If it is necessary to smell a chemical in the lab, the proper procedure is to waft the air toward your nose using a cupped hand. You should never place your nose directly over the chemical to avoid chemical burns to your respiratory structures. It is not advised to tilt the flask to smell a chemical as you increase the chances of spilling the chemical.
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