Acids And Alkalis Flashcards
1
Q
What are acids?
A
Acids are substances which dissolves in water to give hydrogen ions.
2
Q
What are alkalis?
A
Alkalis are substances which dissolves in water to give hydroxide ions.
3
Q
What colour does Phenolphthalein turn in an acid and alkali?
A
Acid - Colourless
Alkali - Pink
4
Q
What colour does red litmus turn in an acid and in an alkali?
A
Acid - Red
Alkali - Blue
5
Q
What colour does blue litmus turn in an acid and alkali?
A
Acid - Red
Alkali - Blue
6
Q
What colour does Methyl Orange turn in an acid and in an alkali?
A
Acid - Red
Alkali - Orange
7
Q
Acid + Base –> ?
A
Salt + Water
8
Q
How is salt formed?
A
Salt is formed when the hydrogen ions of an acid or replaced by a metal ion or ammonium
9
Q
What is the pH scale tell us?
A
It tells us how acidic or alkaline a solution is.
