Question 2 a) i. Identify the structures named a, b and c in the diagram below ii. Explain what happens when there is isomorphous substitution in c Silica sheet Silica sheet Gibbsite sheet Gibbsite sheet Gibbsite sheet Silica sheet Silica sheet Silica sheet Potassium Silica sheet 10 A nH,O and exchangeable cations Basal spacing Silica sheet variable-from 9.6 À to complete Gibbsite sheet separation Silica sheet 7.2 Å Gibbsite sheet Gibbsite sheet Silica sheet Silica sheet (a) (b) (c) 3 Major Topic 1,2 Scc Blooms Designation AN Fundamental properties of soil
c) For the figure below, explain and determine the sorting coefficient of the soil 2 100 NO 25 00 Pacaitline) 10 30 25 20 - 10 Do Do Do Dy De O 10.0 SO LO 0.5 0.1 0.05 Particle size (mm)--log scale Major Topic 2 Score Blooms Designation AN Classification systems of soils 6 TOTAL SCORE: 20
Question 2 a) i. Identify the structures named a, b and c in the diagram below ii. Explain what happens when there is is
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