Year 7 · Science · Acids and alkalis · Lesson 2

Neutralisation and salts

Neutralisation - acid + alkali -> salt + water - bases and alkalis, indicator changes, and how to name salts from hydrochloric, sulfuric and nitric acids.

17-minute video lesson

Teaching, worked examples and 20 practice questions solved step by step.

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What your child will learn

Define neutralisation
Write the word equation
Name salts
Describe indicator changes during neutralisation

The method

Metal.
Acid.
Ending.
Name + water.

Key words: neutralisation, salt, base, alkali, chloride, sulfate.

Worked examples

The first three practice questions from the lesson, with every step.

Question 1

What is neutralisation?

Step 1: Cancel

Answer: acid + alkali reacting to cancel out

Question 2

What are the products of neutralisation?

Step 1: S + W

Answer: a salt and water

Question 3

What pH does a neutral solution have?

Step 1: Middle

Answer: 7