AQA · GCSE · Chemistry
One real Chemistry question.
No signup. 30 seconds.
Topic: Atomic structure and the periodic table: mixtures and separation techniques. Pick an answer — get the mark scheme instantly.
Question · Difficulty 2/3
Why must the thermometer bulb sit level with the side arm of the flask during fractional distillation?
Tap an option to see the mark scheme
Pick your board & subject
Try a real question from the bank — no signup needed.