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CAIE IGCSE Chemistry 12.1.2 Suggest advantages & disadvantages

CAIE IGCSE Chemistry 12.1.2 Suggest advantages & disadvantages
Cambridge IGCSE Chemistry 0620 syllabus for exams in 2026, 2027 and 20282026–2028

Practise judging experimental methods, fair-test controls and safety choices from practical chemistry procedures.

How this is tested

  • explain repeated heating and weighing until constant mass shows water is fully removed
  • choose safer apparatus or precautions when heating flammable mixtures or reactive metals

Question 1(c)(iii)

[Maximum number: 1]

Substances can be classified as elements, compounds or mixtures.

A student suggested that the apparatus shown could be used to separate the mixture of alcohols.

Figure for Question 1(c)(iii) — CAIE IGCSE Chemistry

Suggest why a Bunsen burner is not used to heat the flask.