"Describe" questions — Eduqas GCSE Chemistry
16 questions · chemistry · View as Markdown
How to answer
Say WHAT happens, in order. No reasoning. Structure: 1. First X. 2. Then Y. 3. Then Z. Assessment Objective: AO1. Every "describe" answer on this spec is marked against exactly this pattern.
Sample questions
- A student carries out crystallisation to obtain a sample of copper sulfate crystals from a copper sulfate solution. Desc…
- A student dissolves a soluble salt in water to make a solution. The student then uses crystallisation to obtain the soli…
- Copper sulfate can be made by reacting copper oxide with dilute sulfuric acid. Describe how a pure, dry sample of copper…
- Potable water is water that is safe to drink. Describe how groundwater from an underground source is treated to make it …
- Magnesium has an atomic number of 12 and a mass number of 24. Describe the structure of a magnesium atom, including the …
- A student suspects that a white powder could be either sodium chloride or sodium carbonate. Describe how the student cou…
- A student has two unlabelled solutions. One solution contains sulfate ions and the other contains chloride ions. Describ…
- Mendeleev arranged the elements into a periodic table. Describe two features of Mendeleev's arrangement of the elements …