26. Which one of the following acids is used in battery ? A.Hydrochloric acid B.Hydrofluoric acid C.Sulphuric acid D.Sulphurous acid
Answer: Option C Solution: The formation of the lead sulphate products involves sulphuric acid, which is the electrolyte used in these batteries. During battery charge, lead sulphate is converted back to lead and lead dioxide, releasing sulphuric acid into the electrolyte.