UK GCSE · Chemistry
Reactions Acids Electrolysis and Organic Chemistry
17 practice questions, each with the answer and an explanation.
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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 17 questions
- What is the pH of a neutral solution?
- What are the products of the reaction between an acid and a metal oxide?
- Which gas is produced when zinc reacts with dilute hydrochloric acid?
- Which compound is formed when copper(II) oxide reacts with sulfuric acid?
- What is the name of the process used to separate a liquid from a solution by heating and condensing?
- In electrolysis, at which electrode are positive ions discharged?
- What is produced at the cathode when dilute sulfuric acid is electrolysed?
- Aluminium is extracted by electrolysis of molten aluminium oxide. Why is it not extracted by heating with carbon?
- Which of these is a redox reaction?
- Which fuel is a hydrocarbon found in crude oil?
- What happens to the viscosity and boiling point of fractions as the chain length increases?
- What is the purpose of cracking?
- What is the test for an alkene?
- What is the general formula of the alkanes?
- Ethanol is made by fermentation of glucose. What is the other product?
- Molten lead bromide is electrolysed using inert electrodes. What is formed at the negative electrode (cathode)?
- Which is the molecular formula of an alkane with 8 carbon atoms?
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