pH lab Quiz Flashcards
1
Q
What is pH a measure of?
A
Concentration of hydrogen ions
Concentration of hydroxide ion
2
Q
Why is pH important to cells and organisms?
A
Ions are very chemically reactive
If pH changes , ion concentrations change react with molecules and change their shape or structure
Cause organism to die
3
Q
What range on pH scale is acidic?
A
1-6
Less than 7
4
Q
What range on pH scale is basic?
A
8-14
Greater than 7
5
Q
What range on pH is neutral?
A
7
6
Q
Which ions greater concentration between 1-7?
A
Hydrogen ion
7
Q
Which ions greater concentration between 7-14?
A
Hydroxide ion
8
Q
How much does ion concentrations change for each pH unit?
A
10 times out of
9
Q
What is the chemical called that increase hydrogen ion concentration?
A
Acid
10
Q
What is the chemical called that increase hydroxide ion concentration?
A
Base
