C2.5 Salts and Electrolysis Flashcards
1
Q
What are alkalis?
A
soluable hydroxide
2
Q
what are bases?
A
alkalis are substances that can neutralise acids
3
Q
acid+metal
A
=salt+hydrogen
4
Q
acid+base
A
=salt+water
5
Q
acid+alkali
A
=salt+water
6
Q
What is electrolysis?
A
the breakdown of a substance containing ions by electricty
7
Q
What is an electroplated object?
A
an object that has a thin layer of metal by electrolysis
8
Q
Why should you electroplate an object?
A
protect from coorosion, more attractive, resistant to scratching, save money