Among the following, correct statement is :
Option: 1 Brownian movement is more pronounced for smaller particles than for bigger–particles.
Option: 2 Sols of metal sulphides are lyophilic.
Option: 3 Hardy Schulze law states that bigger the size of the ions, the greater is its coagulating power.
Option: 4 One would expect charcoal to adsorb chlorine more than hydrogen sulphide.
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One would expect charcoal to adsorb chlorine more than hydrogen sulphide is correct.