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GCSE Combined Science (AQA Trilogy) — Chemistry 5.4 Chemical changes: 68 practice questions
68 original GCSE Combined Science (AQA Trilogy) questions on Chemistry 5.4 Chemical changes, each with an explanation and its source. Topics: 5.4.2.2 Neutralisation of acids and salt production, 5.4.3 Electrolysis, 5.4.1.2 The reactivity series, 5.4.1.3 Extraction of metals and reduction, 5.4.2.3 Soluble salts, 5.4.3.2 Electrolysis of molten ionic compounds, 5.4.3.4 Electrolysis of aqueous solutions, 5.4.1.1 Metal oxides, 5.4.1.4 Oxidation and reduction in terms of electrons, 5.4.2.1 Reactions of acids with metals, 5.4.2.4 The pH scale and neutralisation, 5.4.2.5 Strong and weak acids, 5.4.3.3 Using electrolysis to extract metals, 5.4.2.4 pH and neutralisation, 5.4.3.5 Representation of reactions at electrodes, 5.4.3.5 Representation of reactions at electrodes as half equations, 5.4.3.1 The process of electrolysis, 5.4.3.1 Electrolysis, 5.4.2.2 Neutralisation of acids and production of salts. One free sample is below; the rest of the questions are available with a paid plan.
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FREE SAMPLE
One Chemistry 5.4 Chemical changes question with explanations
Open a question, choose an answer in your head, then open the explanation.
Q1 5.4 Chemical changes
Which products form when calcium carbonate reacts with hydrochloric acid?
- Calcium chloride, water and carbon dioxide.
- Calcium hydroxide, hydrogen and a little heat.
- Calcium oxide, chlorine and a little steam.
- Calcium metal, oxygen and a trace of acid.
That's the free sample. The rest of the questions are available with a paid plan.
That's the free sample. The rest is available with a plan.
See plansTopics in Chemistry 5.4 Chemical changes
- 5.4.2.2 Neutralisation of acids and salt production 6
- 5.4.3 Electrolysis 2
- 5.4.1.2 The reactivity series 5
- 5.4.1.3 Extraction of metals and reduction 6
- 5.4.2.3 Soluble salts 5
- 5.4.3.2 Electrolysis of molten ionic compounds 7
- 5.4.3.4 Electrolysis of aqueous solutions 4
- 5.4.1.1 Metal oxides 3
- 5.4.1.4 Oxidation and reduction in terms of electrons 5
- 5.4.2.1 Reactions of acids with metals 3
- 5.4.2.4 The pH scale and neutralisation 4
- 5.4.2.5 Strong and weak acids 4
- 5.4.3.3 Using electrolysis to extract metals 5
- 5.4.2.4 pH and neutralisation 1
- 5.4.3.5 Representation of reactions at electrodes 1
- 5.4.3.5 Representation of reactions at electrodes as half equations 4
- 5.4.3.1 The process of electrolysis 1
- 5.4.3.1 Electrolysis 1
- 5.4.2.2 Neutralisation of acids and production of salts 1
FAQ
Are these GCSE Combined Science Chemistry 5.4 Chemical changes questions free?
The sample question on this page is free to read, with the answer and sources. The full set of 68 Chemistry 5.4 Chemical changes questions is in the paid plans.
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No. Every question is original and written by Sakakikaen Co., Ltd. examplat is not affiliated with or endorsed by the organisation that runs GCSE Combined Science (AQA Trilogy). Check its website for the current syllabus.
OTHER UNITS
GCSE Combined Science (AQA Trilogy) practice questions by unit
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- Biology 4.7 Ecology 59
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- Chemistry 5.6 The rate and extent of chemical change 63
- Chemistry 5.7 Organic chemistry 49
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- Physics 6.1 Energy 61
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- Physics 6.3 Particle model of matter 83
- Physics 6.4 Atomic structure 55
- Physics 6.5 Forces 78
- Physics 6.6 Waves 74
- Physics 6.7 Magnetism and electromagnetism 62
All about GCSE Combined Science (AQA Trilogy) on examplat
examplat is an unofficial question bank. All content is written independently by Sakakikaen Co., Ltd. and is not affiliated with or endorsed by AQA GCSE Combined Science: Trilogy (8464)'s awarding body. It does not guarantee a pass.