Limestone is soluble in acidic water. Even natural rainwater is usually slightly acidic, but many parts of the world, especially urban and industrial areas, have significant amount of nitrogen oxides and sulphur oxides as gases, mostly from man-made pollution, in the air. read more
Weathering is the alteration of rocks from their exposure to the agents of air, water, and organic fluids” (Burns, 2003). Although all rocks are affected by weathering, each rock takes a certain amount of chemical or mechanical exposure to define the rate at which it weathers. read more
Limestone because of its mineral property, which is composed of mainly calcite which is weaker than granite and the minerals it usually is made up of, quartz, feldspar, mica. read more