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Cambridge Secondary (7-9). Stage 7. MCE Science. Student Book - Unit 6: Materials and Their Structure - Question 129

Cambridge Secondary (7-9) · Unit 6: Materials and Their Structure

Question 129

Which of the statements are true? Tick (✓) the three correct answers.
  1. Metals are good conductors of electricity.
  2. New substances are formed during melting.
  3. Compounds are pure substances.
  4. Atoms are the smallest part of a substance that cannot be broken down chemically.
  5. Mixtures are formed during chemical reactions.
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