◈ Oracle Prep Sign Up Free

O-LevelChemistryAtomic Structure5070/11 · Oct/Nov 2025 · Q11 Mark

The pressure of a sample of air is reduced and its temperature remains constant. Which row describes the changes in the volume of the air and the distance between the particles in the air?

Adecreases decreases

Bdecreases increases

Cincreases decreases

Dincreases increases

✓ Correct answer

D: increases increases

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Atomic Structure and see which topics are most likely to come up next.

Sign up free →

About this question

Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 1, question 1.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Chemistry questions

Atomic StructureMay/June 20141m

Which electronic configurations represent three metallic elements in the same period of the Periodic Table?

Atomic StructureMay/June 20141m

An element is in Period 3 and Group VII of the Periodic Table. Which statement about this element is correct?

Atomic StructureMay/June 20141m

An ion X⁺ has 23 nucleons and 10 electrons. What does the nucleus of X contain?

Metals & ReactivityMay/June 20141m

The diagram shows an outline of part of the Periodic Table. Which statements are correct? 1 Elements W, X and Y form …

Chemistry of the EnvironmentMay/June 20141m

Which of these processes can be used to purify water containing insoluble impurities? 1 chlorination, 2 desalination,…

Metals & ReactivityMay/June 20141m

Which metal can react rapidly with steam but reacts only very slowly with cold water?

← Browse all past-paper questions