3.x Rusting (GCSE Chemistry)

The following is a GCSE Chemistry test covering '3.x Rusting'

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Question 1

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What is produced in rusting alongside iron oxide?

What type of chemical reaction happens during rusting?

Why is calcium chloride used in rusting experiments?

How does paint prevent rusting of iron objects?

What two substances must be present for rusting to occur?

Why does an iron nail rust faster in saltwater compared to freshwater?

What happens to the mass of an iron nail when it rusts?

How does coating iron objects with grease prevent rusting?

Which is the most reactive amongst these metals: Iron, Zinc, Copper or Silver?

Which metal, placed with iron, would provide sacrificial protection due to its higher reactivity?

Which of the following methods does NOT help to prevent rusting?

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