National 5 Chemistry, every section.

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Question 1
Volume of hydrogen collected at each time.
Time / sVolume of hydrogen / cm³
00
2048
4078
6090
8090
A pupil adds magnesium ribbon to dilute hydrochloric acid and collects the hydrogen in a gas syringe. The table shows the results. What is the average rate of the reaction between 20 s and 40 s?

Seven sections, one question paper

Built for the National 5 Chemistry question paper from the 2026 to 2027 session (course specification version 5.0): all seven course sections, the Section 1 multiple-choice questions, Section 2 questions and experiment questions. The assignment is done in school and is not practised here. Not built for National 4 or Higher.

1. Rates, atoms and bonding

Rates of reaction, atoms and the periodic table, covalent and ionic bonding

2. Formulae and the mole

Chemical formulae, the mole, balanced equations, concentration and percentage composition

3. Acids and bases

pH, neutralisation, titration and preparing soluble salts

4. Hydrocarbons

Homologous series, alkanes, cycloalkanes, alkenes, isomers and addition reactions

5. Alcohols, carboxylic acids and fuels

Alcohols, carboxylic acids, combustion and energy from fuels

6. Metals and plastics

Reactions of metals, redox, extraction, electrochemical cells and plastics

7. Fertilisers, nuclear chemistry and analysis

Fertilisers, the Haber and Ostwald processes, nuclear chemistry and chemical analysis

PartWhat it asksMarks
Section 1An objective test: 20 four-option multiple-choice questions from across the course.20 marks
Section 2Restricted and extended response questions, with calculations, explanations and experiments.60 marks
AssignmentYour own experimental research and report, done in school. Not practised here.20 marks

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