Why Tarnish of Silver Occures?

The tarnish is a very thin layer of corrosion that forms over Silver.  The tarnishing of silver occurs due to the process of Oxidation but this is not the final it may can occur due to other chemical reactions too.

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What are Vitamins?

Group of organic compounds which are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body. “most people can get all the vitamins they need from a healthy diet”  

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