Understanding chemical bonds helps chemists design new materials with desirable properties.

The laboratory compared the chemical fingerprints of the water samples to identify the pollution source.

Recent research into chemical dependencies has led to more comprehensive treatment programs in many communities.

The lab manager inspected the chemical hoods before the start of the semester to ensure they were functioning properly.

Researchers tested several chemical cells to determine which produced the most consistent voltage.

The textbook included several chemical decompositions to demonstrate how complex molecules break down.

Engineers tested the chemical rockets on the launch pad before the scheduled mission.

The chemical property of the compound determines how it will react with acids and bases.

Please make sure the chemical hood is turned on before you begin handling volatile solvents.

During the emergency drill, the crew tested the chemical oxygen generator to ensure it would supply breathable air in case of cabin decompression.