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Q: Cohesion-less soils are formed due to
  • A. Oxidation
  • B. Hydration
  • C. Physical disintegration
  • D. Chemical deocmposition
Correct Answer: Option C - • Cohesionless soils are formed due to physical disintegration rocks. • Cohesionless soils are defined as any free running type of soil, such as sand or gravel, whose strength depends on friction between particles. • The chemical weathering may be caused due to oxidation, hydration, carbonation and leaching by organic acids and water. • Clay minerals are produced by chemical weathering.
C. • Cohesionless soils are formed due to physical disintegration rocks. • Cohesionless soils are defined as any free running type of soil, such as sand or gravel, whose strength depends on friction between particles. • The chemical weathering may be caused due to oxidation, hydration, carbonation and leaching by organic acids and water. • Clay minerals are produced by chemical weathering.

Explanations:

• Cohesionless soils are formed due to physical disintegration rocks. • Cohesionless soils are defined as any free running type of soil, such as sand or gravel, whose strength depends on friction between particles. • The chemical weathering may be caused due to oxidation, hydration, carbonation and leaching by organic acids and water. • Clay minerals are produced by chemical weathering.