Chemistry (Edexcel, Single Science, Higher) Chemical Change (Edexcel, Single Science, Higher) Chemical Change (Edexcel, Single Science, Higher) Lesson Content 0% Complete 0/2 Steps Chemical changes: Acids (HT only) (Edexcel) Chemical change: Electrolytic processes (HT only) (Edexcel) Chemical Change (Edexcel, Single Science, Higher) Previous Lesson Back to Course Next Lesson Previous Lesson Back to Course Next Lesson