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Lactic acid: Quiz


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Question 1:
What is the chemical name of Lactic acid (IUPAC)
3-Hydroxypropanoic acid
2-hydroxypropanoic acid
Sodium 2-hydroxypropanoate
calcium; 2-hydroxypropanoate; -2,3,4,5,6-pentahydroxyhexanoate

Question 2: Lactic acid is primarily found in sour milk products, such as: koumiss, leban, yogurt, ________, and some cottage cheeses.

Question 3: This intravenous fluid consists of sodium and potassium cations, with lactate and chloride ________, in solution with distilled water in concentration so as to be isotonic compared to human blood.
Lithium-ion batteryHalf cellElectrolyteIon

Question 4: Lactic acid is chiral and has two ________.
Chiral resolutionChirality (chemistry)EnantiomerOptical rotation

Question 5: In solution, it can lose a proton from the acidic group, producing the lactate ________ CH3CH(OH)COO.
Half cellElectrolyteIonLithium-ion battery

Question 6: In ________, lactate is one of the main components of Ringer's lactate or lactated Ringer's solution (Compound Sodium Lactate or Hartmann's Solution in the UK).
MedicinePhysicianSpecialty (medicine)Surgery

Question 7: The ________ in fermented milk is coagulated (curdled) by lactic acid.

Question 8: [1] This is because lactate itself is not capable of releasing a ________ [1], and secondly, the acidic form of lactate, lactic acid, "is not produced in muscle" [2].

Question 9: oxidation to pyruvate by well-oxygenated muscle cells which is then directly used to fuel the ________,
MetabolismCitric acid cycleGlycolysisBiochemistry

Question 10: It was first isolated in 1780 by a Swedish chemist, ________, and is a carboxylic acid with a chemical formula of C3H6O3.
BariumOxygenChlorineCarl Wilhelm Scheele

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