chapter 16 acids and bases. target 1: i can label similarities and differences in acids and bases
TRANSCRIPT
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Chapter 16
Acids and Bases
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Target 1:
• I can label similarities and differences in acids and bases.
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Acids Bases
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Natural Indicators
• Things found in nature which indicate acids vs. bases
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Beets
• A very basic solution will change the color of beets or beet juice from red to purple
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Curry Powder
• Curry contains the pigment curcumin, which changes from yellow at pH 7.4 to red at pH 8.6.
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Geranium Petals
• Geraniums contain the anthocyanin pelargonin, which changes from orange-red in an acidic solution to blue in a basic solution
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Grapes
• Red and purple grapes contain multiple anthocyanins. Blue grapes contain a monoglucoside of malvinidin which changes from deep red in an acidic solution to violet in a basic solution.
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Which one did we use in our Virtual Lab (Alien Juice Bar?
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Red Cabbage!
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