Exam (elaborations)
2024/2025 Edexcel IGCSE Chemistry - Paper 1: Revision Questions with Merged Answers
- Module
- Institution
▪ Potassium manganate (VII) and water (purple colour spreads), ammonia and hydrogen chloride (white ring forms closer to hydrogen chloride), bromine gas and air (brown bromine gas diffuses) - Ans .3 experiments to show diffusion ▪ 4OH- = O2 + 2H2O + 4E- - Ans .Half equation for hydroxide i...
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