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eg:-Chromatography is a widely used technique in chemistry to isolate different substances in pure form.
ALL substances are matter.
elements and compounds (:
ALL substances are matter.
In chemistry, only substances can be termed pure. Orange juice is a mixture of multiple substances because you can change its composition by changing the proportions of substances.
The two types of pure substance are elements and compounds The two types of pure substance are elements and compounds
Elements and compounds are pure substances.
ALL substances are matter.
coal, rubies, carbon, diamond, sugar cane, salt,
The two types of matter that are pure substances are elements and compounds.
It is a mixture of (more than one) substances. Mineral water is a mixture, since it contains many different types of minerals and can therefore not be called a "pure" substance. In chemistry, a pure substance describes one that contains only one type of element/molecule.
A homogeneous mixture. A physical combination of two or more pure substances, such as elements or compounds.