Read the following given options and answer the questions.
i) Keep the nails in the test tube and filled with hot water until half nails immersed and remaining half is filled with oil and test tube is closed with rubber cork .
ii) Keep the nails in the test tube and filled the boiled distilled water until the total nails are immersed and test tube is closed with rubber cork.
iii) Keep the nails in the test tube along with anhydrous calcium chloride and test tube is closed with rubber cork.
In which case rust will not take place ?
Write the factors which will influence rust?
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Answer:
in a) the nail cannot rust as oxygen cannot reach the nails due to the coating of oil on the surface.
hope it helps...
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