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ch4aika [34]
3 years ago
14

Question 19

Biology
2 answers:
Crazy boy [7]3 years ago
8 0

Answer: A they are toxic

Explanation:

Luden [163]3 years ago
7 0

Answer:

Comment relation is recommended when working with non-polar solvent because they are toxic. Therefore, the correct answer to the question is option A.

Explanation:

The ventilation is required for working with non-polar solution because they are toxic in nature and they could harm. The ventilation to a room is required for the exchange of gases. All the harmful and toxic gases are exhausted out through ventilation and pure air is fixed in the room.

The ventilation is required not only for experiment room but also in the room which is operated with heat are there is work with the heat. The heat expelled out during the course of the experiment could alter the next experiment or the air.  

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