Ocean Acidification & pH Flashcards
1
Q
What is the pH scale range
A
0 - 14
2
Q
What is an acid
A
a substance with a pH less than 7
3
Q
what does pH measure
A
the amount of hydrogen ions (H+)
4
Q
Does the CO2 in the ocean cause the oceans pH to go up or down
A
down
5
Q
ocean water is normally
A
basic
6
Q
What is a base
A
a substance with a pH greater than 7
7
Q
What substance is needed to make shells in the ocean
A
carbonate ion
8
Q
How does the ocean become more acidic
A
the ocean absorbs too much CO2
9
Q
what substance has a neutral pH of 7
A
water
10
Q
which is more acidic 0 or 5
A
0
11
Q
which base is stronger 12 or 14
A
12