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Reaction Experiment - Wire Wool Rust Reaction

 
Rusting Wire Wool
Materials you will need:


• 5 small jars with lids
• Wire Wool
• Water & Boiled water
• Salt
• A pinch of bicarbonate of soda

This experiment is one to be observed!

 
This experiment will help you to find out what caused rust to occur.
Steps :

1.  You will need to line up 5 glass small glass jars.  If you happen to have test tubes and corks - even better.

2.  Put a bit of wire wool in each container.

3. Mark or label your jars/test tubes as 1, 2, 3, 4 and 5 so that you can write down what you have put in each container.

4. Pour some water into your first container labelled '1' and put the lid on or cork in it.

5. Pour some boiled water into your second container labelled '2'  and put the lid on or cork in it.

6.  Leave your third container labelled '3' open and exposed to the air  (air contains water vapour).

7.  Mix some salt with some tap water and pour this into your fouth container labelled '4' and place the lid on or cork in it.

8.  Add a pinch of bicarbonate of soda in your fith container labelled '5' and place the lid on or cork in it. (bicarbonate of soda may help to remove water vapour from the trapped air).

9. Leave your containers for one day.

10.  Observe your containers the following day and write down your observations.

Rust is a very common chemical reaction which happens to iron and the metals containing iron.  Rust is caused by a combination of water and air and is speeded up by adding salt to the equation.

The container to show rust first should be number '4' as it has salt added to the water.

Containers '2' and '5' will only start to show rust if the air and any water vapours get through the lids into the containers.

 
 
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