Topic 5 - 5.1 - pH scale Flashcards
1
Q
Are alkaline pH levels always above or below 7?
A
Above 7
2
Q
What is the pH scale used for?
A
It is used to measure how acidic or alkaline a substance is on a continuous range that stretches from below 0 to above 14.
3
Q
Are acid pH levels always above or below 7?
A
Below 7
4
Q
What is pH?
A
It is a measure of the concentration of hydrogen ions in a solution.
