"State and explain" questions — Cambridge International IGCSE Chemistry (0620)
13 questions · chemistry · View as Markdown
How to answer
"state and explain" questions from Cambridge International IGCSE Chemistry (0620). Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.
Sample questions
- Butane, butene and butanol are organic compounds. State the functional group present in butanol and explain why butane a…
- State and explain two reasons why steel (an alloy of iron) is used to make bridges rather than pure iron.
- Copper pipes are widely used in plumbing systems to carry hot and cold water. State and explain four properties of coppe…
- A student is studying two organic compounds: ethanol and ethanoic acid. State the functional group present in each compo…
- Ammonia has the molecular formula NH₃. State the meaning of this molecular formula and explain why the empirical formula…
- Methanol and ethanol are both members of the alcohol homologous series. State two structural features that all alcohols …
- Nylon is an addition polymer / condensation polymer used to make ropes and clothing fibres. State the type of polymerisa…
- Methane is the main hydrocarbon in natural gas and is used as a fuel in domestic boilers. State the products formed when…