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Unit 4 of 10

Chemical Changes

AQA GCSE Combined Science Trilogy 8464 — Chemistry · 21 lessons · 17 quizzes

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4.1

Unit 4 overview: Chemical Changes20 min

4.1.1

Metal Oxides20 min

4.1.2

The Reactivity Series20 min

4.1.3

Extraction of Metals and Reduction20 min

4.1.4

Oxidation and Reduction in Terms of Electrons20 min

4.2.1

Metal and acid20 min

4.2.2

Metal and Acid Reactions as Redox Reactions20 min

4.2.3

Neutralisation of Acids and Salt Production20 min

4.2.4

Soluble Salts20 min

4.2.5

Required Practical: Preparation of a Soluble Salt20 min

4.2.6

The pH Scale and Neutralisation20 min

4.2.7

Strong and Weak Acids20 min

4.2.8

Titrations20 min

4.2.9

Required Practical- Strong Acid and Strong Alkali Titration20 min

4.2.10

Titration Calculations20 min

4.3.1

The Process of Electrolysis20 min

4.3.2

Electrolysis of Molten Ionic Compounds20 min

4.3.3

Using Electrolysis to Extract Metals20 min

4.3.4

Electrolysis of Aqueous Solutions20 min

4.3.5

Required Practical: Electrolysis of Aqueous Solutions20 min

4.3.6

Half Equations in Electrolysis20 min

Practice for this unit

4.1.1 Metal Oxides - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

4.1.2 The Reactivity Series - MCQ practice (41 questions)

Marked questions with instant feedback and a full review.

4.1.3 Extraction of Metals and Reduction - MCQ practice (4 questions)

Marked questions with instant feedback and a full review.

4.1.4 Oxidation and Reduction in Terms of Electrons - MCQ practice (21 questions)

Marked questions with instant feedback and a full review.

4.2.1 Metal and acid - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

4.2.2 Metal and Acid Reactions as Redox Reactions - MCQ practice (20 questions)

Marked questions with instant feedback and a full review.

4.2.3 Neutralisation of Acids and Salt Production - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

4.2.4 Soluble Salts - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

4.2.5 Required Practical: Preparation of a Soluble Salt - MCQ practice (8 questions)

Marked questions with instant feedback and a full review.

4.2.6 The pH Scale and Neutralisation - MCQ practice (19 questions)

Marked questions with instant feedback and a full review.

4.2.7 Strong and Weak Acids - MCQ practice (19 questions)

Marked questions with instant feedback and a full review.

4.3.1 The Process of Electrolysis - MCQ practice (11 questions)

Marked questions with instant feedback and a full review.

4.3.2 Electrolysis of Molten Ionic Compounds - MCQ practice (4 questions)

Marked questions with instant feedback and a full review.

4.3.3 Using Electrolysis to Extract Metals - MCQ practice (3 questions)

Marked questions with instant feedback and a full review.

4.3.4 Electrolysis of Aqueous Solutions - MCQ practice (17 questions)

Marked questions with instant feedback and a full review.

4.3.5 Required Practical: Electrolysis of Aqueous Solutions - MCQ practice (17 questions)

Marked questions with instant feedback and a full review.

4.3.6 Half Equations in Electrolysis - MCQ practice (5 questions)

Marked questions with instant feedback and a full review.