JEE PYQ: Surface Chemistry Question 35
Question 35 - 2019 (10 Jan Shift 2)
Type: MCQ
Haemoglobin and gold sol are examples of:
(a) positively and negatively charged sols, respectively
(b) positively charged sols
(c) negatively charged sols
(d) negatively and positively charged sols, respectively
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Answer: 0
Solution
Haemoglobin and gold sol (metal) are examples of positive and negative sols, respectively.