Question

are chemical hazards always visible?
select the best option.
yes
no
if you need to review this content, it can be found in the chemical hazards module of the industrial hygiene topic.

Explanation:

Chemical hazards can be in various forms like gases (e.g., carbon monoxide - odorless and colorless), vapors, or fine dusts that are not always visible to the naked eye. Just because a chemical is not seen doesn't mean it's not hazardous.

Answer:

No