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

> 18 questions · chemistry

## How to answer

One-word or one-sentence recall. Structure: <answer>. Assessment Objective: AO1. Every "state" answer on this spec is marked against exactly this pattern.

## Sample questions

1. [A student performs flame tests and chemical tests on three separate solutions, labelled X, Y and Z. Solution X gives a b…](https://www.gradenine.co.uk/q/a-student-performs-flame-tests-and-06ce1375)
2. [Zinc nitrate has the formula Zn(NO₃)₂. When zinc nitrate is heated, it decomposes to form zinc oxide, nitrogen dioxide a…](https://www.gradenine.co.uk/q/zinc-nitrate-has-the-formula-zn-no-1fc14f44)
3. [Esters are volatile compounds with distinct smells and are commonly used in perfumes and flavourings. State the function…](https://www.gradenine.co.uk/q/esters-are-volatile-compounds-with-distinct-2ab9e3b3)
4. [Lithium, sodium and potassium are all alkali metals. When sodium is added to water, it reacts vigorously to produce a ga…](https://www.gradenine.co.uk/q/lithium-sodium-and-potassium-are-all-340f559f)
5. [Iron has atomic number 26. An atom of the most common isotope of iron has a mass number of 56. State the number of proto…](https://www.gradenine.co.uk/q/iron-has-atomic-number-26-an-34ec6a19)
6. [Atoms contain subatomic particles. State the name, relative charge, and relative mass of each of the three subatomic par…](https://www.gradenine.co.uk/q/atoms-contain-subatomic-particles-state-the-3c7fe87e)
7. [An atom of element X has an atomic number of 11 and a mass number of 23. State the number of protons, neutrons, and elec…](https://www.gradenine.co.uk/q/an-atom-of-element-x-has-730bd029)
8. [Carboxylic acids form a homologous series. State the functional group present in all carboxylic acids, name the first fo…](https://www.gradenine.co.uk/q/carboxylic-acids-form-a-homologous-series-75b6530a)

## Related

- [Pearson Edexcel International GCSE Chemistry (4CH1) revision notes](https://www.gradenine.co.uk/learn/pearson-edexcel-international-gcse-chemistry-4ch1)
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