Reactivity series

Most reactive metal

• Copper

• Magnesium

• Platinum

• Potassium

can metals below hydrogen react to dilute acids

• yes

• no

Which method is used to extract copper

• Electrolysis

• Heating

• Heating with carbon

• Throwing it on the floor :)

What is hydrated iron oxide

What is native metal

• From ur country

• Highly reactive

• a metal ore found always in its pure form

• Orang asli

what is bronze when oxidized

• verdigris

• patina

• brass

• green metal layer

what are the causes of rusting

• water and oxygen

• alkalis

• scratching

• painting

how is rusting prevented

• physical barrier (paint, oil, electroplating)

• keeping it in a jar of water

• sacrificial protection

• galvanizing

Answer explanation

sacrificial protection is using a more reactive metal to react with the surrounding and sacrificing itself so that the metal its protecting wont rust first.

Galvanizing is using physical barrier AND sacrificial protection both

definition of corrosion

• a reaction with metals with substances to form a layer of metal compound on its surface

• a reaction with metals with substances to form a layer of salt on its surface

• a reaction of metals with substances to form a layer of metal compound in the core of the metal

• Genshin corrosion reference?????????????????????????????(click for free correct 100% real)

are native metals reactive

• yes

• no