Take three small glasses A, B and C. Take Glass A and half fill it with boiled water and oil on the top, glass B should be dry and cover with a polythene with a rubber band, glass C with tap water and let it be open. Put 2 iron nails into each glass and leave it for 6-7 days. After 6-7 days record the following observations.
what are the observations and which type of reaction is it
Answers
Answer:
The type of reaction is corrosion
Explanation:
First glass : Iron nails will not corrode in first glass (A)
As for the process of corrosion oxygen and moisture is required, but in the above case moisture is present but the oil is not letting air to mix with the water so due to the absence of oxygen the nail will not corrode.
Iron nails will not corrode in second glass. (B)
As for the process of corrosion oxygen and moisture is required, but in the above case only oxygen is present so due to the absence of moisture the nails will not corrode.
Iron nails will corrode in third glass. (C)
As for the process of corrosion oxygen and moisture is required, so in the above case both moisture from water and and oxygen from surrounding is present. There fore the iron nails will corrode
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