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The two kinds of pure substances are elements and compounds. Elements are made up of only one type of atom, whereas compounds are made up of two or more different types of atoms chemically bonded together. Elements cannot be broken down into simpler substances, whereas compounds can be broken down into their constituent elements through chemical reactions.
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What 2 catogories of substances include pure substances?
elements and compounds
Is salt a combination of 2 pure substances?
Pure salt, NaCL, is a chemical compound made from two elements. So yes it is a combination of two pure substances
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.
How is a mixture similar from a pure substance?
They are both compounds; They both have more than 2 atoms or substances
What is the difference between mixture and pure substance?
Pure substances have uniform distribution of particles and can be either an element or compound. Mixtures can be separated easily and are not chemically bonded. They do not have uniform distribution.
What are the 2 kinds of homogeneous matter?
The two kinds of homogeneous matter are solutions and pure substances. Solutions are a mixture of two or more substances that are evenly distributed at a molecular level, while pure substances are composed of only one type of element or compound.
What 2 catogories of substances include pure substances?
elements and compounds
Is salt a combination of 2 pure substances?
Pure salt, NaCL, is a chemical compound made from two elements. So yes it is a combination of two pure substances
What are the 2 categories of substance?
The 2 categories are 'pure substances' or 'mixtures'
Union of 2 pure substances to make a third?
chemical
What 2 catigories can matter be divided into?
Matter can be divided into two categories: pure substances and mixtures. Pure substances are made up of only one type of atom or molecule, while mixtures are composed of two or more different substances that are physically combined.
Why is a mixture not a pure substance?
Because it contains 2 or more substances
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 are 2 pure substances?
A pure substance is a homogeneous chemical substance which means its composition is constant and its properties are consistent too. Some examples of this kind of substances are water, baking soda and sucrose.
How is a mixture similar from a pure substance?
They are both compounds; They both have more than 2 atoms or substances
Is copper oxide a pure substance?
Copper oxide is not a pure substance. It is a compound composed of copper and oxygen atoms bonded together. Pure substances consist of only one type of atom or molecule.
Is salt water a pure substance?
no because it has at least 5 substances 2 r in the name
