A) Take three dry bottles and label them as A, B and C.
B) Place clean iron nail in each of them.
C) pour some water in bottle A and screw ils lid. Pour some boiled water in bottle B and
tightly screw its lid. Pour boiled water in bottle C and add 1 table spoon of oil on it and
tightly screw its lid. Make sure that an oil layer should float on water.
D) leave these bottles for few days and record your observations on the following
parameters: i) in which bottle(s) you found rusted nails and why? ii) what does this tell us
about the conditions under which iron articles rust? iii) Slate the ways by which you can
prevent the rusting of iron objects.
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