Question

chemical substances which enter in the trachea or lungs directly through nasal or oral opening lead to ..... hazard.
a) aspiration
b) toxic
c) corrosive
d) irritant
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Answer 1

d) Irritant is the right answer according to me.

Answer 2

The correct answer is option (d) Irritant.

• Chemical substances which enter in the trachea or lungs directly through nasal or oral opening lead to Irritant hazard.
• Irritants are substances that may cause injuries to the skin, the eyes or airways after a single exposure.
• This effect is called irritation.