Fe³⁺ ions coagulate blood. This shows that blood contains colloidal particles bearing — Surface Chemistry Chemistry Question
Question
Fe³⁺ ions coagulate blood. This shows that blood contains colloidal particles bearing
Answer: A
💡 Solution & Explanation
Coagulation occurs by oppositely charged ions. Since positive Fe³⁺ ions coagulate blood, the blood particles must be negatively charged. Therefore, correct answer is A.
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