0
Oxygen and Nitrogen are two examples
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What are examples of pure substances used in daily life?
water, methane, oxygen, silver, gold.
Why the separation of substances is necessary?
it is important to separate and purify substances so that: 1.we can get them in their pure form. 2.to remove undesirable particles from them.
What can pure substances be classified as?
Pure substances are divided into elements and compounds.
Are elements pure substances or mixed substances?
pure are you dumb or something
How many substances are pure substances?
Practically (exceptions exist) all known substances can be obtained in a pure fom.
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.
When is it important to have a pure substance?
to be sure your work is 100% correct because not pure matter cause many problems and interferences with other reactants or products
Are compounds pure?
Yes, compounds are pure substances.
