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Are elements pure substances or mixed substances?
pure are you dumb or something
What can pure substances be classified as?
Pure substances are divided into elements and compounds.
Does pure substances have a fixed composition?
No. The nobel gases and the rare earth metals (gold, platinum) occur as pure substances in nature because they are relatively unreactive. Most materials do not occur as pure substances (typically oxidized) and must be treated to be made pure.
Is tea a homogenous mixture of two or more pure substances?
Yes, tea is a mixture of many organic substances.
What are pure substances solutions homogeneous mixtures colloids or compounds?
Compounds and solutions are pure substances
Why are milk and fruit juices not considered pure substances?
They are aqueous solutions of various compounds in water, so they consist of many separate pure substances. Many of these can be separated by simple physical means (filtering, evaporating, centrifuge).
What are the characteristic of pure substances?
The characteristics of pure substances are:fixed melting pointfixed boiling pointsfixed valencyfixed densitystability
Are compounds pure?
Yes, compounds are pure substances.
Is matchbox a pure substance?
Matchbox are not pure substances.
What types of substances are pure matter?
Pure matter substances can be elements, compounds, or mixtures where all components are the same throughout. Examples include pure water (H2O), pure iron (Fe), and pure table salt (NaCl).
What is one difference between mixtures and pure substances?
A mixture contain two or more pure substances.
Is saliva a mixture or a pure substance?
It is a mixture of COMPOUNDS not a mixture of pure substances.
