Question 1 Report
TEST OF PRACTICAL KNOWLEDGE QUESTION
a)(i) Give two examples of each of specimens A and B. (2 marks)
(ii) State three advantages of the application of specimen Ain crop production. (3 marks)
(iii) Mention two methods of applying specimen B in crop production. (2 marks)
(b) An experiment was conducted to determine the percentage of water in soil samples C and D.
The results are as shown in the table below:
| Soil Sample | |
| Data Recorded | C D |
| Mass of crucible | 80g 80g |
| Mass of crucible and fresh soil | 100g 140g |
| Mass of crucible and soil after heating | 95g 100g |
(i) Determine the mass of fresh soil for each of soil samples C and D (2 marks)
(ii) Determine the mass of water contained in each of soil samples C and D. (2 marks)
(ii) Calculate the percentage of water in each of soil samples C and D. (2 marks)
(c) What type of relationship exists between the amount of water and the amount of air in soils? (2 marks)