Igcse chemistry Study guides, Class notes & Summaries

iGCSE single science chemistry with complete solutions

IGCSE Chemistry questions with complete solution

IGCSE Chemistry with complete solution

iGCSE Chemistry (Summer Exams Only) best study guide

iGCSE single science chemistry questions with complete solution

Chemistry ATP analysis How to check if a liquid is water? Check boiling point = 100 or melting point = 0 Why it is important to immediately put a bung in the conical flask in an experiment where gas is produced? minimize gas loss/ escape before bung is replaced State the advantage of measuring the volume of gas collected every 10 seconds rather than every 20 seconds more points / data so better / smoother graph / curve / line Why condensers are used? To cool the vapour. ...

iGCSE single science chemistry

iGCSE single science chemistry.

Experiment for Diffusion? - correct answer 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. Experiment for Dilution? - correct answer 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over ...