a) What is meant by the percolation rate of soil? [1 mark]
b) In which type of soil is the percolation rate the highest and the lowest? [1 mark]
c) Calculate the rate of percolation (in mL/min) of the soil sample if 500 mL of water passes through it in 25 min. [1 mark]

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Solution

Percolation rate is the speed at which water flows through the soil. [1 mark]

The percolation rate is the highest in sandy soils. [0.5 marks]

The percolation rate is the least in clayey soils. [0.5 marks]

Percolation rate = $\frac{Amount of water passed (mL)}{Time taken (min)}$ [0.5 marks]

Percolation rate = 500 mL/25 min

Percolation rate = 20 mL/min [0.5 marks]

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a) What is meant by the percolation rate of soil? [1 mark] b) In which type of soil is the percolation rate the highest and the lowest? [1 mark] c) Calculate the rate of percolation (in mL/min) of the soil sample if 500 mL of water passes through it in 25 min. [1 mark]

a) What is meant by the percolation rate of soil? [1 mark]
b) In which type of soil is the percolation rate the highest and the lowest? [1 mark]
c) Calculate the rate of percolation (in mL/min) of the soil sample if 500 mL of water passes through it in 25 min. [1 mark]