Igcse chemistry Study guides, Class notes & Summaries

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 ...

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iGCSE Chemistry Pearson Edexcel Topic 2 Inorganic Chemistry Complete Notes

2,4,3,1 - ANS-Valencies Oxygen : _____ Carbon : ____ Nitrogen : _____ Hydrogen : _____

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iGCSE Chemistry Pearson Edexcel Topic 1 Principles of Chemistry Complete Notes

IGCSE Chemistry Definitions Exam Questions And Answers 2024. Melting - CORRECT ANSWER Solid changing into a liquid Freezing - CORRECT ANSWER Liquid changing into a solid Condensation - CORRECT ANSWER Gas/vapour changing into a liquid Evaporation - CORRECT ANSWER Liquid changing into a gas/vapour Melting Point - CORRECT ANSWER Temperature at which a solid turns into a liquid Freezing Point - CORRECT ANSWER Temperature at which a liquid changes into a solid Boiling Point - C...

June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 1c

Edexcel iGCSE Chemistry 2022 new study guide solved solution