Question:
The water forms a thin film around soil particles due to loose chemical bonds of adsorption is termed as
The water forms a thin film around soil particles due to loose chemical bonds of adsorption is termed as
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Types of soil water:
• Hygroscopic water $\rightarrow$ Adsorbed film around particles.
• Capillary water $\rightarrow$ Held by surface tension.
• Gravity water $\rightarrow$ Free draining water.
• Hygroscopic water $\rightarrow$ Adsorbed film around particles.
• Capillary water $\rightarrow$ Held by surface tension.
• Gravity water $\rightarrow$ Free draining water.
Updated On: Jul 23, 2026
- Capillary water
- Gravity water
- Hygroscopic water
- Field capacity
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The Correct Option is C
Solution and Explanation
Concept:
Soil water exists in different forms depending on the force with which it is held by soil particles.
• Hygroscopic water: Forms a thin film around soil particles due to adsorption forces.
• Capillary water: Held in soil pores due to surface tension.
• Gravity water: Moves freely under the action of gravity.
• Field capacity: Represents the moisture content remaining after gravitational water has drained away.
Step 1: Understand hygroscopic water. Hygroscopic water is strongly adsorbed on the surface of soil particles by molecular attraction. It forms a very thin film around each particle and cannot move under gravity.
Step 2: Identify the correct form of water. Since the question refers to a thin film formed due to adsorption, \[ \boxed{\text{The water is Hygroscopic water}.} \] Therefore, the correct option is \[ \boxed{(C)\;\text{Hygroscopic water}.} \]
• Hygroscopic water: Forms a thin film around soil particles due to adsorption forces.
• Capillary water: Held in soil pores due to surface tension.
• Gravity water: Moves freely under the action of gravity.
• Field capacity: Represents the moisture content remaining after gravitational water has drained away.
Step 1: Understand hygroscopic water. Hygroscopic water is strongly adsorbed on the surface of soil particles by molecular attraction. It forms a very thin film around each particle and cannot move under gravity.
Step 2: Identify the correct form of water. Since the question refers to a thin film formed due to adsorption, \[ \boxed{\text{The water is Hygroscopic water}.} \] Therefore, the correct option is \[ \boxed{(C)\;\text{Hygroscopic water}.} \]
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