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Chemistry
Socks
12 March, 16:18
Why is CO2 a pure substance?
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Jaylyn Archer
12 March, 19:52
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Two or more pure substances can be mixed together to form a mixture. An example of a mixture of two compounds is alcohol and water. An example of a mixture of elements and compounds is air. The major components of air are hydrogen, oxygen, nitrogen and carbon dioxide.
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