ph and acid Flashcards
1
Q
What colour is phenolphthalein and how does it react with acids and bases
A
phenolphthalein is clear and stays
clear for acids and turns
pink for bases
2
Q
what are common indiators
A
Litmus paper
pH paper
phenolphthalein
Bromothymol blue
Cabbage juice
3
Q
what colour is brothymol blue and how does it react with acids and bases
A
brothymol blue is green turns
yellow in acid and
blue in basses.
4
Q
what colour is cabbage juice and how does it react with acids and bases
A
Cabbage juice is purple or blue,
acid makes it red or pink
base makes it green or yellow.
5
Q
pH of distilled water
A
7 (neutral)
6
Q
pH of bleach
A
12 (basic)
7
Q
pH of baking soda
A
9 basic
8
Q
pH of soap
A
10 basic
9
Q
pH of oven cleaner
A
13 basic
10
Q
pH of HCl or stomach acid (hydro chloric acid)
A
1 acidic
11
Q
pH of lemon
A
2 acidic
12
Q
pH of milk
A
6 basic
