Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Options: A . &nbsphighly B . &nbspmoderately C . &nbspextremely D . &nbspvery extremely

Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per milli

Question

Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm).

Options:

A . highly

B . moderately

C . extremely

D . very extremely

Answer: Option B
Answer: (b).moderately

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