Raj and Ravi both bought a big iron table for their shop individually. Raj painted his table with paints
whereas Ravi got it laminated.
(a) Whose method is effective in preventing rusting and how?
(b) What are the conditions necessary for rusting?
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Answer:
Raj's method is more effective because painting prevents rusting
the necessary conditions for rusting is that the object should come in contact with oxygen
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