Ph Level Flashcards
(8 cards)
1
Q
what does the ph scale represent?
A
the concentration of H+ ions in the solution
2
Q
what is ph= 7?
A
neutral
3
Q
ph < 7?
A
acid
4
Q
the lower the ph…
A
the stonger the acid
5
Q
pH > 7?
A
basic (or alkaline)
6
Q
the higher the pH…
A
the stronger the base
7
Q
how to measure ph levels?
A
Litmus paper, ph meter or indicators
8
Q
each unit in the ph level…
A
is a ten fold (x10) change in hydrogen ion concentration
