Question 1
Which statement best describes an element?
Correct Answer:
A pure substance made of only one type of atom
Question 2
In the particle model, how do particles in a solid typically behave?
Correct Answer:
They vibrate about fixed positions in a regular arrangement
Question 3
Which change of state occurs when a liquid becomes a gas at the liquid’s boiling point?
Correct Answer:
Boiling (vaporisation)
Question 4
A sample of pure water melts at 0 °C and boils at 100 °C at standard atmospheric pressure. What does a sharp melting point mainly indicate?
Correct Answer:
The sample is likely pure
Question 5
Which separation technique is most suitable for recovering pure salt from seawater?
Correct Answer:
Evaporation or crystallisation
Question 1
Exam overview

About this Exam

Prepare with the MATSEC SEC Core Science Practice Questions - Malta Secondary Education Certificate (SEC) Core Science - SEC 45 (2026) Exam practice quiz. This question bank includes 100 questions covering water, energy, change, mass, and solution. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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MATSEC SEC Core Science Practice Questions - Malta Secondary Education Certificate (SEC) Core Science - SEC 45 (2026) Exam

This practice set contains 100 questions from the matching question bank and focuses on water, energy, change, mass, and solution. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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