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Tartaric acid: Quiz


Question 1: ________ continued this research in 1847 by investigating the shapes of ammonium sodium tartrate crystals, which he found to be asymmetric.
Louis PasteurInfectious diseaseBacteriaPasteur Institute

Question 2: As a food additive, tartaric acid is used as an antioxidant with ________ E334, tartrates are other additives serving as antioxidants or emulsifiers.
SucraloseE numberHigh-fructose corn syrupSaccharin

Question 3:
What is Tartaric acid also known as?
paratartaric acid
Butyl acetone

Question 4: The chirality of tartaric acid was discovered in 1832 by ________, who observed its ability to rotate polarized light.
MathematicsJean-Baptiste BiotLouis PasteurJoseph Louis Gay-Lussac

Question 5: The modern process was developed in 1769 by the Swedish chemist ________.
ChlorineOxygenCarl Wilhelm ScheeleBarium

Question 6:
What is the chemical name of Tartaric acid (IUPAC)
1,4,5,6,7,7-hexachlorobicyclo2.2.1-hept-5-ene-2,3-dicarboxylic acid
5-- 7-- 5-norbornene- 2,3-dicarboximide
2,3-dihydroxybutanedioic acid

Question 7: [7] Given this figure, it would take over 500 g to kill a person weighing 70 kg, and so it may be safely included in many foods, especially sour-tasting ________.
DysgeusiaSugar substituteSweetnessTaste

Question 8: [6] The ________ (LD50) is about 7.5 grams/kg for a human, ~5.3 grams/kg for rabbits and ~4.4 grams/kg for mice.
PsychopharmacologyPharmacologyBiological half-lifeMedian lethal dose

Question 9: Important derivatives of tartaric acid include its salts, cream of tartar (potassium bitartrate), Rochelle salt (potassium sodium tartrate, a mild ________), and tartar emetic (antimony potassium tartrate).

Question 10: Tartaric acid is a ________ toxin, which works by inhibiting the production of malic acid, and in high doses causes paralysis and death.
FasciaMuscleTorsoHead and neck anatomy


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