LIST OF SPECIMEN:
D: Hand trowel
F: Hand fork
For specimens G, H and I, you are requested to get some quantity of Sandy soil. Divide the quantity of Sandy soil into three portions.
Wash the first portion which is to be labelled G with a neutral solution(water) until the soup is neither acidic nor alkaline then air-dry the soil.
To the second portion which is to be labelled H, add some quantity of Hydrochloric acid(HCL) and air-dry.
To the third portion which is to be labelled I, add some quantity of sodium Hydroxide(NaOH) solution and air-dry.