Topic 4- Chemical Changes Flashcards
1
Q
Base
A
Any substance to react with an acid to form salt
2
Q
Alkali
A
A base that dissolved in water to form a solution with a pH greater than 7 (form OH- ions in water)
3
Q
Acid
A
Forms aqueous solution with a pH less than 7 (form H+ ions in water)
4
Q
Acid + Base >
A
Salt + Water
5
Q
Strong Acids
A
Ionise completely in water
6
Q
Weak Acids
A
Only partially ionise in water