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Carbonate: Quiz


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Question 1: In ________ 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, CO 2−3.
EarthEarth scienceNatureGeology

Question 2: As in the case of the isoelectronic ________ ion, the symmetry can be achieved by a resonance between three structures:

Question 3: in iron smelting, as a raw material for ________ and lime manufacture, in the composition of ceramic glazes, and more.
Cement kilnRawmillConcretePortland cement

Question 4: Carbonate minerals are extremely varied and ubiquitous in chemically-precipitated ________.
GeologyGeologic time scaleSandstoneSedimentary rock

Question 5: It is a conjugate base of the weakly acidic bicarbonate (________ name hydrogen carbonate HCO3), itself a moderately strong conjugate base of the still weakly acidic carbonic acid.
International Union of Pure and Applied ChemistryCadmiumIUPAC nomenclaturePotassium

Question 6: Most carbonate salts are insoluble in water at standard temperature and pressure, with ________ of less than 1×10−8.
Solubility tableSolutionPartition coefficientSolubility equilibrium

Question 7: ________ ("soda" or "natron") and potassium carbonate ("potash") have been used since antiquity for cleaning and preservation, as well as for the manufacture of glass.
Sodium bicarbonateSodium carbonateSodium chlorideSodium hydroxide

Question 8: The carbonate ion is the simplest ________.
CyclopentanepentoneCarbon dioxideOxocarbon anionCyclohexanehexone

Question 9: It consists of one ________ atom surrounded by three identical oxygen atoms, in a trigonal planar arrangement, with D3h molecular symmetry.

Question 10: In organic chemistry a carbonate can also refer to a ________ within a larger molecule that contains a carbon atom bound to three oxygen atoms, one of which is double bonded.
AlcoholFunctional groupEthyleneAlkane


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