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Statement (I): Clays exhibit more hygroscopicity than sands.Statement (II): Clays are colloidal and consequently their specific surface is very high.1. Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)2. Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I) 3. Statement (I) is true but Statement (II) is false4. Statement (I) is false but Statement (II) is true

Answer» Correct Answer - Option 1 : Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

Hygroscopic water means that how much water can be held by the soil over its surface by the action adhesion forces.

Specific surface is the ratio of surface per unit volume. More surface area implies more specific surface. Clay has more surface area (more specific surface) as compared to sand since clay has smaller particles, therefore, more water can be held be clay particles over their surface. Hence, clay exhibits more hygroscopicity. 



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