Question

When copper vessels are kept over a period of time, these get coated with green surface.

This is duo to

(i)oxidation of copper (ii)corrosion of copper

(iii)reduction of copper (iv)hydrolysis of copper


1)(i) and (ii) 2)(ii) and (iii) 3)(i) and (iv) 4)(ii) and (iv)

please help me. ​

Answer 1

Answer:

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