1. Acids and bases
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2. Acids and Bases
A. Acid
1. Acid - A solution that has lots of H+ ions
2. It comes from the Latin word acidus that means "sharp" or "sour“
3. If you have an ionic compound and you put it in water, it will break apart into two ions. If one of those ions is H+, the solution is acidic.

3. B. Base 1. Base - A solution that has lots of OH- ions
B. Base 1. Base - A solution that has lots of OH- ions. Another word for base is alkali. 2. If you have an ionic compound and you put it in water, it will break apart into two ions. If one of the ions is OH-, the solution is basic

4. C. pH scale 1. A measurement of how acidic or basic a material is a
C. pH scale 1. A measurement of how acidic or basic a material is a. A measure of the number of H+ ions in a solution. b. If there are a lot of H+ ions, the pH is very low. c. If there are a lot of OH- ions, that means the number of H+ ions is very low, so the pH is high.

5. 2. Numbered from 0-14 a. Very Acidic = Low pH (0-7) b
2. Numbered from 0-14 a. Very Acidic = Low pH (0-7) b. Very Basic = High pH (7-14) c. Neutral = pH of 7

7. Sea Water
Baking Soda
Black Coffee
Great Salt Lakes, Milk of Magnesia
Battery Acid
Liquid Drain Cleaner
Stomach Acid
Lemon Juice, Vinegar
Bleach
Grapefruit, Orange Juice, Soda
Soapy Water
Tomato Juice, Acid Rain
Ammonia Solution (cleaning liquids)
Urine
Pure Water