1. LESSON PLAN PREPARED BY : TABBASUM FATMA

3. Subject: Chemistry Class: X Class size: 45 Teaching Periods: 10 Assessment Periods: Topic: Acids, Bases and Salts Previous Knowledge: Properties of acids and bases

4. Concepts of acids and base pH scale Salts

5. Which substances are called acids or bases? How are they classified? What happened when an acid reacts with a base? Why do we use lemon juice on fish? What do we mean by the pH of a solution?

6. You use acids as: Vinegar Aspirine Lemon juice Cola drinks Apples Tomatoes etc.

8. Drain cleaner Bleach Antacid medicines Baking powder Washing soda Shaving cream Tooth pastes

9. Acid rain can damage trees Acids rain washes out aluminum ion Aluminum ion is very toxic to fish and other aquatic life Acid rain can damage building and statues Oxides of Sulphur and Nitrogen are produced by smoking Smokers are at great risk of suffering from cold, bronchitis and aasthama

10. S. NoPropertyAcidBase 1TasteSourBitter 2Effect on blue litmusTurns redNo effect 3Effect on red litmusNo effectTurns blue 4Effect on skinCorrosiveHarm skin tissue 5Electrical conductivityAqueous solutions conduct electricity

11. NameFormulaCommon use Hydrochloric acidHClCleaning of metals, bricks and removing scale from boilers Nitric acidHNO 3 Manufacture of fertilizers, explosives Sulphuric acidH 2 SO 4 Manufacture of many chemicals, drugs,paints and explosives. Phosphoric acidH 3 PO 4 Manufacture of fertilizers

12. NameFormulaCommon Use Sodium hydroxideNaOHSoap making, drain cleaner Potassium hydroxideKOHMaking liquid soap, shaving cream Calcium hydroxideCa(OH) 2 Making mortar, plasters, cement Magnesium hydroxideMg(OH) 2 Antacid, laxative