Which of the following components of soil are acts as chemical sponges in the soil?
(a) Clay minerals
(b) Silica
(c) Sodium
(d) Potassium
This question was posed to me in an online quiz.
This intriguing question originated from Fire Clays, Illite and Kaolinite topic in portion Molding and Core Sands of Casting-Forming-Welding I