# "State and describe" questions — Pearson Edexcel International GCSE Chemistry (4CH1)

> 5 questions · chemistry

## 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

1. [Aluminium chloride has the formula AlCl₃. State what is meant by the term relative formula mass and describe the steps y…](https://www.gradenine.co.uk/q/aluminium-chloride-has-the-formula-alcl-00a5a857)
2. [Ethanol is a member of the alcohols homologous series and has many uses as a fuel and solvent. State the functional grou…](https://www.gradenine.co.uk/q/ethanol-is-a-member-of-the-1fe31357)
3. [Copper(II) sulfate has the formula CuSO₄. State what is meant by the term relative formula mass and describe the steps u…](https://www.gradenine.co.uk/q/copper-ii-sulfate-has-the-formula-cuso-4fe51820)
4. [Phosphoric acid has the formula H₃PO₄. State what is meant by the term relative formula mass and describe the steps used…](https://www.gradenine.co.uk/q/phosphoric-acid-has-the-formula-h-po-de01256c)
5. [Alkanes belong to a homologous series. State the general formula of alkanes and describe three features that are shared …](https://www.gradenine.co.uk/q/alkanes-belong-to-a-homologous-series-e5ef13f0)

## Related

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