TLV of ozone (O 3 ) and phosgene (COCl 2 ) in air is __________ ppm. – OfficerPath

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MCQ Practice

TLV of ozone (O 3 ) and phosgene (COCl 2 ) in air is __________ ppm.

Subject: Chemical EngineeringTopic: Environmental Engineering In Ce

A

0.1

B

25

C

100

D

1000

Correct Answer: A

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