IGCSE Chemistry - Multiple Choice (exams from 2026) #chemistry #exams #revision

Added: 2026-05-17

[00:00:00]Question number 15. Which statements about hydrogen-oxygen fuel cells are correct? Pause the video and write your answer in the comments. So, hydrogen-oxygen fuel cells use hydrogen and oxygen to produce electricity. So, they do convert chemical energy into electrical energy. Hydrogen is not reduced, it's oxidized as hydrogen gains oxygen to form water. And as water is the only chemical product, they do not produce any atmospheric pollutants. The correct statements are therefore one and three. So, the right answer is C, which we can confirm by referring to the mark scheme.