state four uses of calcium carbonate
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Answer:
1. The chemical formula of calcium carbonate is CaCO3. The elements calcium, carbon and oxygen form the compound calcium carbonate. This compound is available in the nature in the form of sedimentary rock like limestone, metamorphic rock like marble. It is extracted from the rock forming mineralssuch as calcite and travertine. Calcium carbonate has very many uses in the real world.
2.Calcium is an important mineral needed by us and other living organisms. In humans, it is very important for bone formation and teeth formation. Plants and animals absorb calcium carbonate from water where it is found in the form of calcium bicarbonate (calcium hydrogen carbonate) to build their skeletons and shells. The main components of shells of marine organisms, snails, pearls, coral, and a number of sea shells is calcium carbonate. Egg shells are made of approximately 95% calcium carbonate. When plants and animals die, the compound is returned to nature aiding in rock formation.
3.Pure material is a soft, white, insoluble powder. This powder used in the form of thin sticks makes the Chalks that are used as teaching aid. The mineral calcite is used by the construction industries to produce cement, concrete, and manufacture of iron, steel and glass. When calcium carbonate is heated, it decomposes into lime and carbon dioxide which are further used as raw material.
4.Calcium carbonate reacts uniquely with acids. When it comes in contact with acid, however strong it may be, it produces carbon dioxide. This results in the natural phenomena stalactites and stalagmites which takes more than thousands of years to form.
Answer:
calcium carbonate decomposes to form carbondioxide and lime . calcium carbonate is used in industrial setting to neutralize acidic condition in both soil and water..