Mht CetSurface ChemistryMHT CET 2025 20th April Morning ShiftMCQ+1 / -02025Which of the following is not negatively charged sol?A$\quad \mathrm{As}_2 \mathrm{~S}_3$BHaemoglobinCClayDCongo RedCheck AnswerClear SelectionReveal AnswerShow Explanation