what is the chemical composition of citric acid
Citric acid Citric acid is a weak organic acid that has the chemical formula C 6H 8O 7. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.
Universal indicator The colours from yellow to red indicate an acidic solution, colours blue to violet indicate bases and green colour indicates that a solution is neutral.
Base oil The least refined type which produced by Solvent Refining. It usually consists of conventional petroleum base oils.
Lead–acid battery In the fully charged state, the negative plate consists of lead, and the positive plate lead dioxide, with the electrolyte of concentrated sulfuric acid.