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The characteristics of pure substances are:
- fixed melting point
- fixed boiling points
- fixed valency
- fixed density
- stability
Eloise Upton
Anonymous
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What is the definition of impure substances?
Substances that are not pure.
Are most substances around us pure substances ao mixture?
There are very few pure substances around us. Most substances are mixtures, or compounds.
Are all substances are elements?
Yes my friends. All elements are pure substances that cannot be broken down. However, pure substances aren't all elements.
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.
What types of substances are pure matter?
ALL substances are matter.
What is the difference between a characteristic property and non-characteristic property?
PHYSICAL (smell, color, texture, size, etc)--NON CHARACTERISTIC GENERAL (general stuff about the substance all together)-CHARACTERISTIC Characteristic properties help us identify pure substances or the group it belongs to. Non-characteristic properties cannot help us identify pure substances or the group it belongs to.
What is a characteristic of pure substances that can be observed without changing it into another substances?
lame people going wild
Is boiling temperature a characteristic property?
Yes, boiling point is a characteristic property of matter. It is called a characteristic property because no matter how much of a pure substance you have, the boiling point should remain the same. Therefore, it is a characteristic property of pure substances.
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.
How many substances are pure substances?
Practically (exceptions exist) all known substances can be obtained in a pure fom.
A n blank property is a characteristic of a pure substance?
A physical property is a characteristic of a pure substance. Water is an example of a pure substance.
What is the definition of impure substances?
Substances that are not pure.
Are allotropes pure substances?
yes they are pure
What are pure substances solutions homogeneous mixtures colloids or compounds?
Compounds and solutions are pure substances
Are most substances around us pure substances ao mixture?
There are very few pure substances around us. Most substances are mixtures, or compounds.
Are all substances are elements?
Yes my friends. All elements are pure substances that cannot be broken down. However, pure substances aren't all elements.
