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Phosphoric acid: Quiz

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Question 1:
What is Phosphoric acid also known as?
Butyl acetone
uranyl ammonium carbonate
Orthophosphoric acid
Norpempidine

Question 2: Orthophosphoric ________ molecules can combine with themselves to form a variety of compounds which are also referred to as phosphoric acids, but in a more general way.
AcidOxygenAcid–base reactionAcid dissociation constant

Question 3: The study does not examine the effect of phosphoric acid, which binds with magnesium and ________ in the digestive tract to form salts that are not absorbed, but rather studies general phosphorus intake.
PotassiumIronCalciumAluminium

Question 4: Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a mineral (inorganic) acid having the ________ H3PO4.
ChemistryCarbonAtomChemical formula

Question 5: (Such protection is also provided by the superficially similar ________ and blued electrochemical conversion coating processes.)
CopperMolybdenumParkerizingPassivation

Question 6: Phosphates are found pervasively in biology, especially in the compounds derived from phosphorylated sugars, such as ________, RNA, and adenosine triphosphate (ATP).
GeneDNAGeneticsProtein

Question 7: It produces ________, which has an empirical formula P2O5, although an actual molecule has a chemical formula of P4O10.
Phosphorus trichloridePhosphorus pentachloridePhosphorus pentoxidePhosphorus tribromide

Question 8: Similarly, the non-toxic, ________ salts of triprotic organic citric acid are also often used to make buffers.
Half cellIonElectrolyteLithium-ion battery

Question 9: The phosphoric acid converts reddish-brown iron(III) oxide (________) to black ferric phosphate, FePO4.
SteelCorrosionStainless steelRust

Question 10: Further ________ is very difficult, and can be accomplished only by means of an extremely strong desiccant (and not by heating alone).
DehydrationHyponatremiaDiabetic ketoacidosisHypernatremia







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