Y7 Acids & Alkalis

pH of an acid

• lower than 7

• Higher than 7

• 7

pH of an alkali

• Lower than 7

• higher than 7

• 7

pH of a neutral chemical

• Lower than 7

• Higher than 7

• 7

• Flammable

• Corrosive

• Toxic

• Irritant

Acid + Alkali makes.....

• Salt and Water

• Water

• Acid

• Salt and Vin

When an acid reacts with an alkali

• Combustion

• Dissolving

• Neutralisation

• Diffusion

The formula for Hydrochloric Acid

• HCl

• H₂O

• H₂SO₄

• NaOH

The formula for Sodium hydroxide

• HCl

• H₂O

• H₂SO₄

• NaOH

• Flammable

• Toxic

• Corrosive

• Harmful

How do indicators identify acids and alkalis?

• Fizzing

• Exploding

• Dissolving

• Changing colour