5.1 THE PH SCALE & 5.2 ACIDS AND ALKALI Flashcards
1
Q
What is a pH scale?
A
pH scale shows how acidic or alkaline a substance is, or whether it is neutral
2
Q
pH less than 7 = ?
A
Acid (Red)
3
Q
pH 7 = ?
A
Neutral (Green)
4
Q
pH more than 7 = ?
A
Alkali (Blue)