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Which of the following is considered to be a dangerous procedure in the laboratory setting?
a. Pouring all liquids, especially acids and bases, over the sink
b. Wearing goggles
c. Pushing glass tubing, thermometers, or glass thistle tubes through a rubber cork
d. Pointing the mouth of a test tube that is being heated away from you and others
e. Knowing where the fire extinguisher and eyewash stations are located



Answer :

I think it's c because a is good as it won't cause spills on the floor, b you must do for eye safety d) is also for safety so chemicals don't burn or spit at you And e is needed incase a fire occurs or something is in your eye and immediately needs washing out therefore c is the only one which could be a danger
tadvisohil886
The answer is (A) , because all other options are safety precautions, not dangerous.

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