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

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A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. Answer: 10000 to 100000

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.