The lab report compared the chemical compositions of the samples collected from the river and the industrial site.

The museum's new exhibit features the original chemical rocket used in the early orbital experiments.

Many people with chemical sensitivities find it difficult to work in offices with strong cleaning product odors.

Engineers calibrated the chemical reactors to ensure consistent catalyst performance during the trial.

During metabolism, cells convert various chemical energies into ATP to fuel their activities.

The campsite provided chemical toilets near the river because the lodge's restrooms were closed for repairs.

Laboratory protocols require careful labeling and storage of chemical substances to prevent accidents.

In the lab, we observed several chemical reactions that produced unexpected color changes.

Many dermatologists recommend chemical peels for patients seeking to reduce acne scars and uneven skin tone.

The chemical engineers redesigned the plant to improve safety and reduce emissions.