TEST OF PRACTICAL KNOWLEDGE QUESTION (a) What is the aim of the experimental set-up F? (b) List three materials that could be used in carrying out the exper...

Answer Details

(a)

Aim of the experiment set-up F: 

- Determination of Soil texture by sedimentation/sedimentation experiment

(b)

Materials that could be used in carrying out the experiment in the set-up F:

- Soil sample

-Measuring cylinder

- Beaker

- Glass jar

- Water

- Glass rod/ stirrer

- Hydrogen peroxide/Calgon

(c)

Steps involved in carrying out the experiment:

- Put a quantity of soil sample in the measuring cylinder,

- Water is added to the soil sample in the measuring cylinder

- Hydrogen peroxide could be added to break soil lumps

- The content in the measuring cylinder is n stirred with a glass rod/shake vigorously

- The content is allowed to settle for some hours.

(d)

Soil components observed in the experimental set-up:

- Coarse sand

- Silt, Water

- Fine sand

- Clay

- Organic matter

(e) Drawing of the experimental set up;