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PLEASE HELP ME :(When heating a test tube or flask,
A)it should remain capped.
B)an experimenter can briefly look directly into the tube to make observations.
C)it should remain in the test tube rack.
D)safety goggles should be worn for the duration of the experiment.

Respuesta :

laclan067

Answer:

D

Explanation:

Because you will always need safety googles when dealing with chemicals and it's dangerous to deal with chemicals with out it

When heating a test tube or flask, safety glasses should be worn for the duration of the experiment.

What are laboratory safety rules?

Whenever a person is using lab equipment or a chemical, they have to follow a certain number of rules to make sure the safety of the person as well as the laboratory.

  • Wearing the appropriate laboratory outfit is the most important rule to be followed.
  • This includes wearing a laboratory apron, safety gloves, laboratory slippers, goggles, and a mask.
  • This is to avoid direct skin contact with the chemicals because they may be harmful.

Hence, Option D is the right answer.

To learn more about laboratory practices, refer:

https://brainly.com/question/2232090

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