Edexcel igcse chemistry Guías de estudio, Notas de estudios & Resúmenes

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 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? 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over the time, the colour le...

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 ...

IGCSE EDEXCEL CHEMISTRY (organic chemistry) NEWEST EXAM 2024 WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS|ALREADY GRADED A+

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

June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 1c

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 ...

June 2023 Edexcel IGCSE Chemistry MS 4ch1 / 2c

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 ...