adjective, noun · academic
chemical
/ˈkɛmɪkəl/CHEM·i·cal
adjective: relating to chemistry; noun: a substance produced by or used in a chemical process
Examples
“The report analysed chemical pollutants in river water.”
“Many industrial chemicals can harm aquatic ecosystems.”
“Chemical analysis revealed the presence of heavy metals.”
Band 8 sentence
“The research paper provided a comprehensive chemical analysis of soil samples from industrial zones, highlighting persistent organic pollutants.”
Collocations
- chemical reaction
- chemical pollutants
- chemical analysis
Word family
Common mistakes
There are many chemical in the river.→There are many chemicals in the river.
This is chemical pollutant.→This is a chemical pollutant.
The factory release chemical to the environment.→The factory released chemicals into the environment.
Say it for a higher band
5substance→6compound→7+chemical
Synonyms
compound
substance
Easily confused
compound
“The laboratory identified a previously unknown organic compound in the sample.”
substance
“The study examined the hazardous substances found in household cleaners.”
Related words
Learn this word with the rest of its set, and get reminded at the right time.
In Sublist 7
Learn it with its set