Question

case file
chemical name: phenol
common uses: this chemical is used as a disinfectant in household cleaners and mouthwash. this chemical is also used as a preservative in some food products.
health effects: this chemical may increase risk of heart disease. inhaling this chemical may lead to breathing difficulties and muscle spasms. this chemical is corrosive and can cause severe burns. this chemical is toxic
warning
chemical has been detected
to synchronize the lasers and target the correct chemical, answer the following question:
which is not a health effect of this chemical?
this chemical may increase risk of heart disease
this chemical is toxic
this chemical clears the lungs when you have a cold
this chemical is corrosive

Explanation:

Phenol is toxic, corrosive, and may increase the risk of heart - disease. But it does not clear the lungs when one has a cold.

Answer:

This chemical clears the lungs when you have a cold