MHT CET 2023 Chemistry question
Not in JEE Main or NEET syllabus
Which of the following is positively charged sol?
Answer: (A)
Solution
Colloidal particles carry a charge by preferential adsorption of ions. Positively charged sols include hydrated metal oxides such as and , basic dyes like methylene blue, and haemoglobin (blood). Negatively charged sols include metal sols such
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