ACIDS, BASES AND SALTS

In this Chapter, we will study all the three types of compounds, acids, bases and salts, in detail.

Topics Covered in the Lessons are 

• Types of Compounds : Acids, Bases and Salts
• Indicators for Testing Acids and Bases : Dyes Which Change Colour in Acids and Bases
• Acid-Base Indicators : Litmus, Methyl Orange, Phenolphthalein, Turmeric, Red Cabbage Extract and Olfactory Indicators (Onion and Vanilla Extract) ; Acids : Mineral Acids and Organic Acids
• Strong Acids and Weak Acids; Concentrated Acids and Dilute Acids ; Diluting Acids ;
• Properties of Acids
• Properties of Bases and Uses of Bases
• Strength of Acid and Base Solutions
• Importance of pH in Everyday Life
• Salts ; Family of Salts ; The pH of Salt Solutions ;
• Acidic, Basic and Neutral Salts ; Common Salt (Sodium Chloride)
• Chemicals from Common Salt : Sodium Hydroxide (Caustic Soda), Washing Soda (Sodium Carbonate), Baking Soda (Sodium Hydrogencarbonate) ; Bleaching Powder (Calcium Oxychloride) ; Plaster of Paris (Calcium Sulphate Hemihydrate) ; Water of
  Crystallisation ; Hydrated Salts ; Action of Heat on Hydrated Salts.