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Chemical Engineering · Q298

Environmental Engineering

Engineering and GATE · Chemical Engineering · question 298

Q298

A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm.

A.
1000 to 2000
B.
3000 to 6000
C.
6000 to 9000
D.
10000 to 100000
Answer

Answer: Option D

Solution

Answer: Option D
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