Igcse ch Study guides, Class notes & Summaries

Cambridge igcse combined and coordinated sciences chemistry workbook

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

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 ...

June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 1c

iGCSE ICT Chapter 7 Systems Life Cycle

June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 2c

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 ...

igcse chemistry paper 1 answer sheet 2022 leaked o level

High Giant ionic structures melting point/ boiling point Closely packed lattice arranged by the attraction between oppositely charged ions Giant ionic structures structure The electrostatic attraction between oppositely charged ions is very strong so requires a lot of energy to overcome Why do giant ionic structures have high mps/bps? The stronger the forces of attraction The higher the charges of the ions in a giant ionic structure ... 4 How many other atoms is ...

June 2023 Edexcel IGCSE Chemistry MS 4ch1 / 2c