Question

A pillar made of an element X develops a green tinge after a period of time. The green coating
when dissolved in water turns red litmus blue.
(5)
a. Identify the element X and name the green product formed due to exposure.
b. Give the chemical reaction involved in the said process.
c. Give a common term for the process due to which the green coating is formed.
d. What happens if the element X is dropped in a solution of silver nitrate?
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Answer 1

Answer:

don't know srrrryyyyy plz maf ke do