Rusting and Displacement Reaction quiz

Rusting can be prevented in two ways ___________.

What is the correct equation for Displacement reaction?

• Fe + 02 + H2O = Fe203XH2O

  Iron + oxygen + water = Iron oxide

• CuSO4 + Fe = FeSO4 + Cu

  Cooper sulphate + Iron = Ferrous sulphate + copper

Identify Rusting.

• 
• 
• 

Explain how we can prevent rusting by painting.

In the displacement reaction, the color of copper sulphate which was blue will change into ______.

Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound.

• YES

• NO

Is Rusting of iron a Chemical or Physical change.

• CHEMICAL CHANGE

• PHYSICAL CHANGE

• ALL OF THESE

• NONE OF THESE

Which one is the Chemical Change?

• CUTTING PAPER

• DISPLACEMENT REACTION

• BURNING OF PAPER

• NONE OF THESE

• ALL OF THESE

What is the red or orange coat on the surface of the metal?

Rusting is defined as the ___________ in which

there is a _________ of red or orange coat on the

surface of the _______.

• Physical Change, produced, plastic

• Chemical Change, formation, iron

• Physical Change, formation, water

• Chemical Change, formation, metals