Acids, alkalis and bases Flashcards
1
Q
What is the pH scale used for?
A
To tell his acidic or alkaline a solution is
2
Q
What is a base?
A
A substance that will neutralise an acid.
3
Q
Name bases.
A
Metal oxides, metal hydroxides , metal carbonates and ammonium.
4
Q
How can an alkali be formed?
A
When a metal oxide is dissolved in water
5
Q
What are soluble bases?
A
soluble bases are alkalines
6
Q
What is an alkali?
A
Any substance that produces OH- ions when in water or any base that dissolves in water is called an alkali