Q: How paint, grease and oil prevent corrosion?
Ans: Paint, grease and oil are organic compounds having high molecular weight. When these compounds are applied on metal surface, they adhere to it and due to their non-polar nature they are not dissolved in water. Thus these compounds will not allow water and H+ to be in direct contact with metal.
Saturday, 3 September 2016
Paint, grease and oil prevent corrosion
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