Practice questions
A free sample of Brainlag Learn questions. Choose a course, then filter by topic and difficulty. Each question opens in Learn, where it is marked and explained.
1415 questions
| Practice questions | Topic | Difficulty |
|---|---|---|
| cm³ and dm³ | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Grams, kilograms and tonnes | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Rounding to significant figures | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Particles in standard form | GCSE Chemistry: Required practicals and maths skills | 2 marks |
| Percentages from data | GCSE Chemistry: Required practicals and maths skills | 2 marks |
| Mole ratios from an equation | GCSE Chemistry: Required practicals and maths skills | 2 marks |
| Choosing the most precise apparatus | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Mean leaving out an anomaly | GCSE Chemistry: Required practicals and maths skills | 2 marks |
| Uncertainty as half the range | GCSE Chemistry: Required practicals and maths skills | 2 marks |
| Random and systematic errors | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Accurate, precise, repeatable | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Independent, dependent and control variables | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Concentration in g/dm³ | GCSE Chemistry: Required practicals and maths skills | 2 marks |
| Reading a measuring cylinder | GCSE Chemistry: Required practicals and maths skills | 1 mark |
| Units and concentrations | GCSE Chemistry: Required practicals and maths skills | 5 marks |
| Significant figures and two balances | GCSE Chemistry: Required practicals and maths skills | 5 marks |
| Define the words of practical chemistry | GCSE Chemistry: Required practicals and maths skills | 3 marks |
| Choosing apparatus to measure a volume | GCSE Chemistry: Required practicals and maths skills | 6 marks |
| What each part of a cell does | GCSE Biology: Cell biology | 1 mark |
| Plant, animal and bacterial cells | GCSE Biology: Cell biology | 1 mark |
| Prokaryotic and eukaryotic cells | GCSE Biology: Cell biology | 1 mark |
| Labelling a bacterial cell | GCSE Biology: Cell biology | 1 mark |
| How many times bigger: orders of magnitude | GCSE Biology: Cell biology | 3 marks |
| Millimetres, micrometres and nanometres | GCSE Biology: Cell biology | 1 mark |
| Comparing two kinds of cell | GCSE Biology: Cell biology | 4 marks |
| Magnification from image and real size | GCSE Biology: Cell biology | 2 marks |
| Real size from magnification | GCSE Biology: Cell biology | 3 marks |
| Image size from magnification | GCSE Biology: Cell biology | 2 marks |
| Real size in metres in standard form | GCSE Biology: Cell biology | 4 marks |
| Total magnification and the field of view | GCSE Biology: Cell biology | 3 marks |
Questions are shared by every board that teaches the topic.