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immunochemistry
He is dedicated to the study of immunochemistry.
chemical pollution
Chemical pollution has a serious impact on the health of the Earth.
thermochemistry
Thermochemistry is a part of chemistry that deals with the reactions of heat and matter.
(chemistry) chemical element
Oxygen, which is one of the chemical elements, is necessary for us to breathe.
chemical analysis
He is an expert in chemical analysis.
chemical equation
It's difficult to decipher this chemical equation.
Understanding chemical equations is difficult.
chemical fertilizer
We are growing vegetables without using chemical fertilizers.
undergo a chemical change
This substance undergoes a chemical change when heat is applied.
chemical reaction, chemical change
In this experiment, you can observe a chemical reaction.
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