Rusty Nail Experiment - Answer Sheet

How long does it typically take for rusting of nails to start in water?

• Two days

• One hour

• One week

• Ten minutes

Vinegar causes iron to rust more easily than water because it contains:

• acid that speeds up the rusting process

• more oxygen than water

• less moisture than water

• a coating that protects iron

Iron rusts faster in tap water than in salt water.

• True

• False

Rusting will occur faster in which substance - vinegar or lemon juice? Explain your answer using information from the passage.

• Rusting will occur faster in lemon juice because it is more acidic.

• Rusting will occur faster in vinegar because it is more acidic.

• Rusting will occur at the same rate in both substances.

• Rusting will not occur in either substance.

The difference between rusting in water and rusting in coke is:

• Coke accelerates rusting due to its acidic nature, while water causes rusting at a slower rate.

• Water prevents rusting, while coke causes rusting.

• Rusting does not occur in coke, only in water.

• Both water and coke prevent rusting completely.