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Chapter 16

Chapter 16. Acids and Bases. Target 1:. I can label similarities and differences in acids and bases. Natural Indicators. Things found in nature which indicate acids vs. bases. Beets. A very basic solution will change the color of beets or beet juice from red to purple. Curry Powder.

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Chapter 16

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  1. Chapter 16 Acids and Bases

  2. Target 1: • I can label similarities and differences in acids and bases.

  3. Natural Indicators • Things found in nature which indicate acids vs. bases

  4. Beets • A very basic solution will change the color of beets or beet juice from red to purple

  5. Curry Powder • Curry contains the pigment curcumin, which changes from yellow at pH 7.4 to red at pH 8.6.

  6. Geranium Petals • Geraniums contain the anthocyanin pelargonin, which changes from orange-red in an acidic solution to blue in a basic solution

  7. 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.

  8. Which one did we use in our Virtual Lab (Alien Juice Bar?

  9. Red Cabbage!

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