Pure substance → definite chemical composition
• element → cannot be decomposed into simpler substances
• compounds → can be decomposed into two or more elements
Mixture → combination of 2 or more pure substances
• homogeneous → same composition
• heterogeneous → different composition
You may want to reference (Pages 10 - 12) Section 1.4 while completing this problem.
If it is a pure substance, classify it as an element or a compound.
(b) carbon monoxide
(c) white wine
(d) beef stew
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What scientific concept do you need to know in order to solve this problem?
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