Chemistry · 2019
JEE Main · 10 January 2019, Shift 2 · Q60
Haemoglobin and gold sol are examples of:
Haemoglobin and gold sol are examples of :
Official answer
(3)
positively and negatively charged sols, respectively
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.