1. Chapter 14 Bases

2. Properties of bases: Lots of hydroxide ions OH- Taste bitter Slippery Corrosive

3. pH greater than 7 (8 – 14) Turns red litmus paper blue Turns most indicators blue Turns pink in the presence of phenolphthalein

4. Uses of Bases

5. Sodium Hydroxide NaOH Production of : soap Paper Drain cleaner Oven cleaner

6. Calcium Hydroxide Ca(OH) 2 Cement Mortar Plaster

7. Ammonium Hydroxide NH 4 OH Cleaners Fertilizers

8. Magnesium Hydroxide Mg(OH) 2 Antacids used to treat heartburn

9. Aluminum Hydroxide Al(OH) 3 Deodorant

10. Strong vs. Weak Sodium hydroxide NaOH Calcium hydroxide Ca(OH) 2 Potassium Hydroxide KOH Ammonia NH 4 OH Magnesium hydroxide Mg(OH) 2 Aluminum hydroxide Al(OH) 3