what are the two major of carbonate in our food. give two examples of each type
Answers
Answer:
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Explanation:
In chemistry, a carbonate is a salt of carbonic acid (H2CO3),[2] characterized by the presence of the carbonate ion, a polyatomic ion with the formula of CO2−
3. The name may also refer to a carbonate ester, an organic compound containing the carbonate group C(=O)(O–)2.
Carbonate
Ball-and-stick model of the carbonate anion
Names
IUPAC name
Carbonate
Systematic IUPAC name
Trioxidocarbonate[1]:127
Identifiers
CAS Number
3812-32-6
3D model (JSmol)
Interactive image
ChemSpider
18519
PubChem CID
19660
UNII
7UJQ5OPE7D ☑
InChI
InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4)/p-2
Key: BVKZGUZCCUSVTD-UHFFFAOYSA-L
InChI=1/CH2O3/c2-1(3)4/h(H2,2,3,4)/p-2
Key: BVKZGUZCCUSVTD-NUQVWONBAE
SMILES
C(=O)([O-])[O-]
Properties
Chemical formula
CO2−
3
Molar mass
60.008 g·mol−1
Conjugate acid
Bicarbonate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
The term is also used as a verb, to describe carbonation: the process of raising the concentrations of carbonate and bicarbonate ions in water to produce carbonated water and other carbonated beverages – either by the addition of carbon dioxide gas under pressure, or by dissolving carbonate or bicarbonate salts into the water.
In geology and mineralogy, the term "carbonate" can refer both to carbonate minerals and carbonate rock (which is made of chiefly carbonate minerals), and both are dominated by the carbonate ion, CO2−
3. Carbonate minerals are extremely varied and ubiquitous in chemically precipitated sedimentary rock. The most common are calcite or calcium carbonate, CaCO3, the chief constituent of limestone (as well as the main component of mollusc shells and coral skeletons); dolomite, a calcium-magnesium carbonate CaMg(CO3)2; and siderite, or iron(II) carbonate, FeCO3, an important iron ore. Sodium carbonate ("soda" or "natron") and potassium carbonate ("potash") have been used since antiquity for cleaning and preservation, as well as for the manufacture of glass. Carbonates are widely used in industry, such as in iron smelting, as a raw material for Portland cement and lime manufacture, in the composition of ceramic glazes, and more.