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Reactions in the Spotlight!  A song about types of chemical reactions.

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Exercise: Write the chemical formula for these compounds

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Exercise: Write the chemical formula for these compounds

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What are the conditions required for rusting How do you prevent rusting?

The presence of water and oxygen is essential for the rusting of iron.

Impurities in the iron, the presence of water vapor, acids, salts and carbon dioxide hastens rusting.

Pure iron does not rust in dry and carbon dioxide free air.

It also does not rust in pure water, free from dissolved salts.

9 Ways to Prevent Rust

1. Use an Alloy. Many outdoor structures, like this bridge, are made from COR-TEN steel to reduce the effects of rust.

2. Apply Oil.

3. Apply a Dry Coating.

4. Paint the Metal.

5. Store Properly.

6. Galvanize (coating iron with a protective layer of zinc).

7. Blueing (creating a thin protective shell around it).

8. Powder Coating.

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GCSE Science Revision Chemistry "Reaction of Metals with Oxygen"

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METALS BURNING AND REACTING WITH OXYGEN: WHAT ARE THE COLOURS THEY BURN WITH?

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METALS BURNING AND REACTING WITH OXYGEN: WHAT ARE THE COLOURS THEY BURN WITH?

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STUDY THESE