1.  Acids and Bases 8 th gr. Chemistry

2. Acids  Forms hydronium ions H 3 O+ when reacting with water  Sour taste  Corrosive  Conducts electricity  Can cause severe burns or tissue damage  Turns litmus paper red  pH of 0-6.9

3. Common Acids  HCl- hydrochloric acid can be found in your stomach  Ascorbic acid- aka vitamin C  Vinegar  Citrus fruits  Soda

4. Bases  Produce OH- ions (Hydroxide ions)  Bitter taste  Slippery  Many are crystalline solids  Turn litmus paper blue  pH 7.1-14  Corrosive  Conduct electricity  Can cause severe burns or tissue damage

5. Common Bases  Soaps and detergents  Baking soda  Ammonia  Magnesium hydroxide aka Milk of Magnesia  Fertilizer  Drain cleaner/bleach  Tums or other antacids

7.  Indicator- a substance that changes color in the presence of an acid or a base.  Ex: Litmus paper  pH paper  Phenolthalein  Phenol Red  Cabbage juice