0417_leaching

__Acid Leaching __ __Definition__ - a soil forming process where trees predominate. It forms soluble products.

__Equation__ - Oxygen reduction; O 2 ﻿+ 4H + 4e- --> 2H 2 ﻿O

__Type of reaction__ - Synthesis; because it has two compounds of the same kind.

__Used for__ - 1) To decompose organic items to add minerals on the surface, and carry finer products put in subsoil to make clay. 2) It is important in metal extraction because of acid drainage.

__Considered most important__ - It is important because it adds nutrients into the soil. Without nutrients in the soil, plants and trees will not grow to produce oxygen or food. It also is an easier way to find gold and other elements in the ground.

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