Saturday 30 November 2013

Rustiong of Iron Investigation

 

Rusting Investigation



Collect the following: -

  • 5 test tubes

  • 1 beaker

  • Cotton wall

  • 1 painted iron nail

  • 4 normal nails

  • 6 labels


Carry out the following five experiments – make sure you label each test tube, and label the beaker with all your test tubes in with your group name



Experiment 1

Place the painted nail in a test tube and totally cover with water – label this painted nail + water



Experiment 2

Put a plain nail in a test tube and ½ cover this with water – label this control



Experiment 3

Cover a plain nail in Vaseline (using a paper towel) and totally cover with water – label this greased nail



Experiment 4

Add some calcium chloride crystals in a test tube, and add a little cotton wool in the top of the test tube, pushing it down with a spatula so that it is just above the crystals. Add a plain nail on top of the cotton wool, and place some more cotton wool in the top of the test tube – label this calcium chloride



Experiment 5

Put a plain nail in a test tube and totally cover this with boiled water. Add a little oil on top of the water, and bung the test tube – label this oil


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