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AQA4 Questions
Chemistry MCQs
Practice Chemistry multiple-choice questions for AQA competitive exams. Each question includes the correct answer and a short explanation, and past-paper questions are marked so you can revise both repeated and fresh material in one place.
Above 7
Exactly 7
Below 7
Between 8 and 14
ExplanationOn the pH scale, substances with a value less than 7 are classified as acidic.
7 to 10
0 to 6
8 to 14
Exactly 7
ExplanationAcids have a pH value lower than 7, whereas 7 is neutral and above 7 is alkaline.
Above 7
Exactly 7
Below 7
0 to 14
ExplanationThe pH scale ranges from 0-14; anything below 7 is acidic, 7 is neutral, and above 7 is alkaline.
Proton
Neutron
Electron
Nucleus
ExplanationElectrons carry a negative charge and orbit the positive nucleus of an atom.
Frequently Asked Questions
Are these Chemistry MCQs free?
Yes. Every Chemistry MCQ on this page is free to practice, including the correct answer and explanation.
Do these include past-paper questions?
Yes — questions sourced from past papers are clearly marked with a "Past Paper" badge, alongside fresh practice questions.
Which exams do these Chemistry MCQs help with?
They are aimed at AQA and related Pakistani competitive exams that test Chemistry.
How should I practice subject-wise MCQs?
Attempt each question first, then reveal the answer and read the explanation. Short, focused sessions on one subject work better than long unstructured reading.