Igcse chemistry Study guides, Class notes & Summaries

Alkali metals - Elements in the first group of the periodic table; very reactive with group 7 elements; reactivity increases going down the group Halogens - Elements in the seventh group of the periodic table; diatomic elements; very reactive with group one elements; reactivity increases going up the group Sublimation - A change directly from the solid to the gaseous state without becoming liquid Deposition - Change from a gaseous state directly to a solid Element - A pure substance ma...

notes for topics 1-3 for chemistry (double science) Edexcel IGCSE

June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 1c

Cambridge igcse combined and coordinated sciences chemistry workbook

June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 2c

Detailed summaries following the syllabus for iGCSE Co-Ordinated Science for the theory paper. I achieved A* in my mock and it's my predicted grade. This subject has the syllabus 0654 but also applies to Combined sciences with syllabus 0653.

Cathode Rules (3) - correct answer -Ions are reduced -Metal is above hydrogen, hydrogen gas is produced -Metal is lower than Hydrogen the metal is deposited Anode Rules (3) - correct answer -Ions are oxidised -If there is a halide present (chlorines, bromides or Iodides) you get a halogen (Cl2, Br2, I2) -Otherwise O2 is produced from OH- ions Cathode Half Equation - correct answer 2H+ + 2e- -->H2 Anode Half Equation - correct answer 4OH- -->2H2O + O2 +4e- cathode - correct ...

EDEXCEL IGCSE Chemistry Questions And Answers The acid used for sulfate ion test - ANSWER hydrochloric acid The solution used for sulfate ion test (there can be 2) - ANSWER barium chloride The colour of barium sulfate precipitate - ANSWER white The acid used for carbonate ion test (dilute) - ANSWER nitric acid Indication of a carbonate ion - ANSWER bubbles Hydroxide precipitation tests (excess) Potassium (K+) - ANSWER none ...

June 2023 Edexcel IGCSE Chemistry MS 4ch1 / 2c

igcse chemistry paper 1 answer sheet 2022 leaked o level