Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
what are 2 properties of an acid?
|
sour taste, turns litmus paper red
|
|
|
give an example of an acid
|
fruit, battery acid
|
|
|
what are properties of a base?
|
slippery, turns litmus paper blue
|
|
|
give an example of a base
|
soap, shampoo
|
|
|
what are bases used for?
|
cleaning and making food
|
|
|
what does the pH scale measure?
|
how acidic or basic something is
|
|
|
what is litmus paper?
|
paper that tells how acidic or basic something is
|
|
|
what is digestion?
|
breaking down food
|
|
|
what is chemical digestion?
|
uses acids and bases to break down food
|
|
|
what is mechanical digestion?
|
chewing food
|
|
|
what is the pH of the mouth
|
neutral (7)
|
|
|
what is the pH of the stomach?
|
acid (2)
|
|
|
what is the pH of the intestines?
|
base (8)
|
