"State and describe" questions — Pearson Edexcel International GCSE Chemistry (4CH1)
5 questions · chemistry · View as Markdown
How to answer
"state and describe" questions from Pearson Edexcel International GCSE Chemistry (4CH1). Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.
Sample questions
- Aluminium chloride has the formula AlCl₃. State what is meant by the term relative formula mass and describe the steps y…
- Ethanol is a member of the alcohols homologous series and has many uses as a fuel and solvent. State the functional grou…
- Copper(II) sulfate has the formula CuSO₄. State what is meant by the term relative formula mass and describe the steps u…
- Phosphoric acid has the formula H₃PO₄. State what is meant by the term relative formula mass and describe the steps used…
- Alkanes belong to a homologous series. State the general formula of alkanes and describe three features that are shared …