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Questions
Define the following:
Hygroscopic water
What is meant by Hygroscopic water?
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Solution
Fine soil particles imbibe/absorb water and hold it very tightly. This is called ‘hygroscopic water'.
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| Column-I | Column· II | ||
| (i) | Capillary water | (a) | Present in the form of hydrated oxides of Silicon and Aluminium |
| (ii) | Hygroscopic water | (b) | Goes down through large pores between soil particles and reach water table |
| (iii) | Combined water | (c) | Held in between small non-colloidal soil particles |
| (iv) | Gravitational water | (d) | Held tightly around soil particles by adhesive forces |
