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Discover LudwigThe phrase "an chemical" is not correct in written English.
It should be "a chemical" because "chemical" begins with a consonant sound.
Example: "A chemical reaction occurs when two substances combine."
Alternatives: "a substance" or "a compound".
Exact(1)
Potassium iodate (KIO3) was used as an chemical agent to treat the fluoride containing solution.
Similar(59)
We inject a chemical into a face.
A hormone is a chemical messenger.
A chemical company with a Rs.
It includes a chemical engineer and a mathematician.
A chemical?
A chemical vapor spread fast.
"Pesticide's a chemical.
A chemical signal?
It is, in effect, a chemical factory.
Each new message prompts a chemical release.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com