Exam 1: Acids & pH Flashcards
1
Q
pH represents…
A
concentration of H+ ions in a solution w/ respect to the scale of acidity level
pH: [H+]
2
Q
pH scale (acid, neutral, basic/alkaline)
A
0-6: acidic
7: neutral
8-14: basic
H+ most at 0 & lowers as numbers go higher
3
Q
importance of pH in food:
A
(1) trigger reactions
(2) influence flavor
(3) preservation
- lowers microbial activity when acidic
4
Q
pH for foods
A
lemon juice: 2-3
soda: 2-3
milk: 6
