Akshay wanted to fix a photoframe on the wall. He searched for a box of iron nails. On locating the box, he found that most of the nails were rusted. He remembered that his teacher had tought him about rusting of iron and its disadvantages. Keeping that in mind he went to market and bought some new iron nails.
(a) What is rust chemically? Is it an electrochemical process?
(b) Give some other examples of corrosion.
(c) How can we prevent rusting of iron to reduce national wastage of money?
(d) What are the values shown by Akshay?
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B. Other examples of rusting are copper bycarbonate, Silver sulphide.
C. By painting the iron material
By applying grease or oil
By galvanistaion
He is attentive about what is taught in the class
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