Answered

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Which statement best describes a student following safe practices when using chemicals?
O Mischa observes the reaction when he pours water into a bottle of acid.
O Lena holds a flask under her nose to smell some liquids she mixed in it.
Janelle uses a clean spatula when measuring chemicals out of a bottle.
O Jordan pours some chemicals he did not use back into the original bottle.

Sagot :

GinnyAnsweridn

Final answer:

The best safety practices when using chemicals involve observing reactions, avoiding direct smelling of mixed chemicals, and using clean equipment for measurements.


Explanation:

Chemical Safety Practices in the Lab

  1. Mischa observes the reaction when he pours water into a bottle of acid. This demonstrates caution and awareness, ensuring safe handling of chemicals.
  2. Lena holds a flask under her nose to smell some liquids she mixed in it. Smelling mixed chemicals directly can be hazardous and unsafe.
  3. Janelle uses a clean spatula when measuring chemicals out of a bottle. Using clean equipment prevents contamination and promotes safety.

Learn more about Chemical Safety Practices here:

https://brainly.com/question/43472222


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