Knowledge Check: Monday 29th April

• Science
• Lower Secondary (Key Stage 3)

Knowledge Check: Monday 29th April

Complete the word equation for a neutralisation reaction. Add the pH of each substance.

+

+

pH

14

Alkali

Acid

Water

Salt

1

7

7

The pH of salt and water is 5.

1. True
2. False

What colour would universal indicator turn at the end of a neutralisation reaction?

1. Red
2. Blue
3. Green
4. Yellow

Spot the alkali.

1. Lithium Fluoride
2. Lithium Hydroxide
3. Lithium Chloride
4. Lithium Nitrate

Pick out the alkaline substances and put them in the box.

Alkalis

Sodium Hydroxide

Sodium Chloride

Lithium Oxide

Lithium Carbonate

Magnesium Carbonate

Magnesium Hydroxide

Copper Nitrate

Copper Oxide

Silver Chloride

Sodium 

Oxide

Name the salt formed:

lithium hydroxide + hydrochloric acid

1. sodium chloride
2. magnesium chloride
3. lithium chloride
4. potassium chloride

Name the salt formed:

lithium hydroxide + nitric acid

1. lithium nitrate
2. lithium sulfate
3. lithium chloride

How are neutralisation reactions used in everyday life?

The names of alkaline substances always end with...

How do you know a substance is an acid?