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10 Cards in this Set
- Front
- Back
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can mixtures be separated easily?
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yes
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why is a mixture different from a compound
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the individual substanaces are not joined together
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can you have a mixture of compounds
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yes
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do compounds have fixed composition?
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yes
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do mixtures have a fixed composition?
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no
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is sea water a mixture?
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yes
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what does sea water contain?
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water, salts and gasses
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what does air contain?
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nitrogen, oxygen, water vapour, carbon dioxide, argon and neon
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what % of air is nitrogen?
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80%
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what are most rocks a mixture of?
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different minerals
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