Which of the following is a negatively charged sol?
Methylene blue
Haemoglobin
Congo red
Congo red forms a negatively charged sol.
Hence option 4 is correct.
Re-NEET UG 2026: NTA to hold nationwide mock drill tomorrow
‘11 students lost lives’: CJP’s Dipke urges PM Modi to provide Rs 1 cr aid to families
Congress demands NTA scrapping, Pradhan's exit over NEET-UG 2026 paper leak allegations
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now