Uses of Limestone

• When heated with sand and sodium carbonate, it can be used for glass and building roads.
• Used to neutralize acidic soil and lakes affected by acid rain.
• Used to remove impurities in a furnace when making steel.
• Makes cement. If you add water and sand, it makes mortar and if your add gravel, water, and sand, it makes concrete.
• Used to whiten paper and provide bulk.