1. pH
Acids and Bases

2. pH Scale We use this scale to measure the strength of an acid or base.
1-6.9 Acids
7 Neutral
Bases
The furthest from 7 you go the
more acidic or basic!

3. Acids

4. Examples of Acids
Vinegar
Hydrochloric Acid
Battery Acid
Citrus

5. Common Uses of Acids
1. Vinegar (acetic acid)used in pickles and in many food preparations.
2. Lemon and orange juice (citric acid) preparation of effervescent salts and as a food preservative.
3. Industry 
Nitric acid and sulphuric acid are used in the manufacture of fertilizers, dyes, paints, drugs and explosives.
Sulphuric acid is used in batteries, 

6. More Common Uses of Acids
- Tannic acid is used in the manufacture of ink and leather.
4. Aqua regia (Hydrochloric acid) used to dissolve noble metals such as gold and platinum.
5. Fertilizers (sulphuric acid)

7. Bases

8. Examples of Bases Soap Ammonia Blood Bleach
Antacids (Tums and Rolaids)

9. Common Uses of Bases Ammonia, NH3 (fertilizer, cleaning agent)
Sodium hydroxide, NaOH (cleaning agent, paper, pH regulator)
Sodium carbonate, NaCO3 (paper, glass, detergent, toothpaste)
Sodium bicarbonate, NAHCO3 (baking soda, fire extinguisher, toothpaste)
Calcium hydroxide, or slaked lime, Ca(OH)2 flocculant