Corrosion

Question 1

What is a tarnish

Answer 1

protective oxide layer

Question 2

What is sacrificial protection

Answer 2

Mg or Zn attached to metak bc they oxidise fater

Question 4

What is electroplating

Answer 4

coat metal with another to prevent corrosion

Question 5

What do you put at the cathode during elecrtoplating

Answer 5

object you are electroplating

Question 6

What do you put at the anode during electroplating

Answer 6

bar of metal used for plating

Question 7

What do you put in the electrolyte during electroplating

Answer 7

metal ions of metal used for plating

Question 8

What is Glavanising

Answer 8

metals coated in zinc

Question 9

What is tin plating

Answer 9

tin doesnt react with water or air

Question 10

What are alloy steels?

Answer 10

add elements to iron

Question 11

What are stainless steels

Answer 11

resist rusting(chromium)