Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm? | MCQ Hive

Chemical Engineering Chemical Environmental Engineering

Q Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?

A A. < 1
B B. 10-100
C C. 100-200
D D. 100-1000

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