Acid and Bases

Bases

Properties

Alkalis has bitter taste and soapy feeling

Alkalis turns red litmus blue

Good electrical conductor

Definition

Metal oxides or metal hydroxides

Examples of bases

Sodium Oxide

Potassium Oxide

Magnesium Oxide

Sodium Hydroxide

Potassium Hydroxide

Magnesium Hydroxide

Reaction

Neutralisation

Acid + Alkali => Salt + Water

E.g. Sodium Hydroxide + Sulfuric Acid => Sodium Sulfate + Water

Acid

Properties

Acid taste sour

Acids turn blue litmus red

Good electrical conductor

Definition

Substance that dissociates to form hydrogen ions when dissolved in water

Reaction

Acid reacts with metal oxide/hydrogen to give salt and water

Types of Oxide

Acidic Oxides

Basic Oxides

Amphoteric Oxides

Neutral Oxides