ECAT — Chemistry MCQs
Practice 170 Chemistry past-paper MCQs for ECAT, each with a detailed explanation and reference. Try free samples below, then start a full quiz.
Chemistry is a core part of the ECAT syllabus. HighYield's Chemistry question bank collects 170MCQs modelled on real past papers, so you practise the exact style and difficulty you'll face on exam day. Every question comes with a worked explanation and a subject reference, so you learn why an answer is right — not just which option to pick.
Work through Chemistry in Tutor mode to learn as you go, or switch to Timed mode to simulate real exam pressure. Your accuracy is tracked per subject, so you always know whether Chemistry is a strength to maintain or a weak area to drill.
Sample Chemistry Questions
The roots of combined equations of straight line axx + 2hxy + by2 = 0 are real and coincident if: 2 − 2 −
- A.h ab 0
- B.h ab 0
- C.h 2 = ab
- D.h 2 = −ab
Molarity of heavy water:
- A.55.5 mol.dm3
- B.60.5
- C.40.5
- D.50.5
Diamond is non-conductor due to:
- A.Free electrons present
- B.Giant structure
- C.Absence of free electron
- D.None
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