Card 201
Question
A triglyceride is composed of?
Answer
3 fatty acids bonded to glycerol
Food Chemistry
Discover Food Chemistry: 945 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
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Cards in this set
Card 202
Question
What is the normality of a 1 M solution of citric acid?
Answer
3 N.
Card 203
Question
At what temperature does water have its maximum density?
Answer
3.92 or 4°C
Card 204
Question
Gelato’s texture is due to its density as it is denser than ice cream. How much of gelato is air (%)?
Answer
30%, ice cream is 50%
Card 205
Question
What is the isoelectric point of casein?
Answer
4.6
Card 206
Question
How many carbon atoms are in one molecule of beta-carotene?
Answer
40 (most carotenoids are made up of 8 isoprene units)
Card 207
Question
If 2 M NaOH solution contains 80 g of NaOH, how much NaOH does a 1 M solution contain?
Answer
40 g
Card 208
Question
Polymorphic forms of lipids in chocolate?
Answer
5
Card 209
Question
Combustion of 10 g of food in a bomb calorimeter increases the temperature of 1 kg of water by 5°C. How many calories are present in 100 g of this food?
Answer
50 (kcal)
Card 210
Question
What is a racemic mixture?
Answer
50:50 mixture of two enantiomers (mirror-image isomers) of a chiral molecule, resulting in an optically inactive compound because the enantiomers' effects on polarized light cancel each other out.
Card 211
Question
What is the approximate number of flavorists in the world?
Answer
500
Card 212
Question
What is the formula weight of sodium chloride within 1/2 a gram?
Answer
58.5g
Card 213
Question
How many hydrogen atoms benzene has?
Answer
6
Card 214
Question
Regular orange extract contains 250 flavor compounds. How many are found in artificial orange?
Answer
6
Card 215
Question
How many valence electrons does oxygen have, and what orbitals are they hybridized to?
Answer
6, 4 sp3 orbitals
Card 216
Question
How many molecules are in a mole?
Answer
6.022 x 10^23
Card 217
Question
What is the pH range of the indicator, phenolphthalein?
Answer
8-9.6
Card 218
Question
At which pH does the indicator phenolphthalein turn from colorless to red?
Answer
8.2-8.3
Card 219
Question
What is the percent of non-fat solids found in whole milk?
Answer
8.25
Card 220
Question
What is the approximate energy content of 1 gram of fat?
Answer
9 kcal.
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