Question:
Which of the following option is not matched correctly with
Last updated: 7/4/2023
![Which of the following option is not matched correctly with](https://media.kunduz.com/media/sug-question-candidate/20210731015946066496-2279121.jpg?h=512)
Which of the following option is not matched correctly with charge on colloidal particle Al2O3 xH O positive sol Methylene blue positive sol As S3 negative sol Congo red sols positive sol