coil
U
kwater
) What is the aim of experiment
ii) Why has oil been put in each
test tube wa
Write observation in each test
tube after 2-3 days .
in Crime reason for your obseruation
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where is the experiment????
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In test tubes Q and R, corrosion of nails will not take place.For corrosion to take place, air ( or oxygen), water and iron, all three should be in contact.In test tube Q, layer of oil separates air from nails and boiled distilled water.In test tube R, anhydrous calcium chloride ensures that no moisture is present.
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