A colloid is a heterogeneous mixture where the solute particles are dispersed uniformly throughout the solvent. The particle size in colloids is typically between 1 nm and 1000 nm. True solutions have particle sizes smaller than 1 nm.
Which one of the following is NOT an example of colloids?
Asked in UPSC Geoscientist 2020 · Topic: Physical and Chemical Changes, Solution (Distinguishing Solutions, Colloids, and Suspensions)
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