PLLL hel Which is correct lab safety? A) Rodney wafted the fumes produced during the reaction toward his nose. B) Andrew heated the test tube towards himself in order to better observe the reaction. Eliminate C) Kadie was aware of the lab procedures that day so she began the lab before the rest of the class to be sure she would finish. D) Suzanne did not use all of the sulfuric acid she poured out for the experiment, so she returned the remainder to the stock bottle.
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Ответ:
A
Explanation:
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Ответ:
Ответ:
Physical properties are what you can see or feel, for instance, color or texture of an object whilst chemical properties describe how a substance behaves during a chemical reaction (note that we cannot see it, the substance has to actually change its form for us to be able to see the chemical properties).