Acids And Alkalis Flashcards
1
Q
What is the strongest acid on the pH scale?
A
pH 0
2
Q
What is the strongest alkali on the pH scale?
A
pH 14
3
Q
What is a substance with a pH of 7?
A
Neutral
4
Q
What is indicator?
A
A dye which changes colour depending on how alkali or acidic the solution is
5
Q
What do acids form in water?
A
H(^+) ions
6
Q
What is an alkali?
A
A base that dissolves in water
7
Q
What do alkali ions form in water?
A
OH(^-) ions
8
Q
What is the equation for neutralisation?
A
Acid + base -> salt + water
9
Q
What is the pH scale used for?
A
To measure how acidic or alkaline a substance is
