Chapter 16 Acids and Bases. Target 1: I can label similarities and differences in acids and bases.

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Presentation transcript:

Chapter 16 Acids and Bases

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

AcidsBases

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

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

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.

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

Red Cabbage!