"State" questions — Pearson Edexcel International GCSE Chemistry (4CH1)
18 questions · chemistry · View as Markdown
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
- A student performs flame tests and chemical tests on three separate solutions, labelled X, Y and Z. Solution X gives a b…
- Zinc nitrate has the formula Zn(NO₃)₂. When zinc nitrate is heated, it decomposes to form zinc oxide, nitrogen dioxide a…
- Esters are volatile compounds with distinct smells and are commonly used in perfumes and flavourings. State the function…
- Lithium, sodium and potassium are all alkali metals. When sodium is added to water, it reacts vigorously to produce a ga…
- 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…
- Atoms contain subatomic particles. State the name, relative charge, and relative mass of each of the three subatomic par…
- 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…
- Carboxylic acids form a homologous series. State the functional group present in all carboxylic acids, name the first fo…