Sixth Page of Notes Flashcards
1
Q
Describe how you could find the best way of coating a nail to prevent rusting.
A
Notes.
2
Q
What do you need to avoid to make sure the nail does not rust?
A
Make surface barrier, stop contact with water and oxygen
3
Q
Cheap ways to prevent rusting.
A
Paint, plastic coating, using oil.
4
Q
Why are cans made of tin.
A
Prevent rusting as food is inside
5
Q
When iron is galvanised, what is it dipped into?
A
Molten zinc to coat iron with a metal - for cars, train tracks.
