Question

7. The metals which do not form adherent oxide film as the
metal surfaces are

o gold and silver
O iron and steel
Ocopper and aluminium
O nickel and titanium​

Answer 1

Answer:

Gold and silver

Explanation:

hope it helps you

Answer 2

Answer:

Option-gold and silver is the correct answer as gold and silver are least reactive metals and do not react with oxygen to form oxides.