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bija089 [108]
2 years ago
13

The reason for wafting or fanning a small amount of chemical vapors toward the nose as a means to detect odors in a test tube is

to:________
a. avoid experimental error from excessive loss of mass of reactants or products
b. avoid splashing chemicals into the face of any person
c. protect the respiratory tract against potentially harmful vapors
d. determine the relative strength of the odor before smelling directly
Health
1 answer:
Triss [41]2 years ago
3 0
C 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
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