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Ramesh dropped an iron nail in water for few days.a) What change would he observe?b) What are the conditions necessary for the change?c) What would be the type of reaction taken placed) What measures should he take to avoid this change? |
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Answer» a)The iron nails will corrode due to the effect of oxygen and water on iron. The color of the iron nails will change to reddish-brown.b)supply of oxygen and waterc)Redox reaction(oxidation-reduction)d)galvanization,spraying wax or oil, keeping iron separate from oxygen+water. a) It starts to rustb) Both water and oxygen are needed for rusting to occur. c) Oxygen and iron, which are the reactants, combine to form a product called iron oxide(rust).d) Paint the nail to avoid contact with water or air. |
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