5th Grade-Ch. 12 Lesson 3 How are Chemical Properties used
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Transcript of 5th Grade-Ch. 12 Lesson 3 How are Chemical Properties used
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Activity-Identifying Substances Activity-Identifying Substances using universal indicator paperusing universal indicator paper
SubstanceSubstance ColorColor
1. Vinegar
2. Apple juice
3. Diet Coke
4. Lavender Pine Sol
5. Liquid soap
6. Tap Water
7. Hydrochloric acid
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Lesson 3 How are chemical properties
used?
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chemical properties can be used to:
1. separate mixtures & substances
2. separate elements from solutions
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Limestone can be separated from fossils by
using vinegar.
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Vinegar dissolves only the limestone, not the fossil.
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ore• rock that include metals combined with
other substances
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ex. iron ore- when heated produces pure iron & CO2
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2FeO + C 2Fe + CO2
iron oxide + carbon iron + carbon dioxide
What kind of reaction is this?
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acids & bases
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acids & bases
• have chemical properties to help identify them
• strong ones react more easily than weak ones
• chemicals react in universal indicator paper
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flame test• material heated to high temp. in flame
• different substances cause different color flames
lithium copper