Chemistry, asked by raianki01, 1 year ago

A metal when left in air for many days turn
in air it turns black. This metal is :
ir for many days turns green, but when heated
(1) Fe
(2) Cu
| (3) Cr
(4) Ag
एक धातु जिसे हवा में बहुत दिनों तक छोड़ देने से हरी हो जाती है तथा हवा
में गर्म करने से काली हो जाती है, वह धातु है :
(1) Fe
(2) Cu
(3) Cr
(4) Ag

Answers

Answered by arnavupadhyay28
0

Answer:

2) Cu

Explanation:

Copper corrodes when it reacts with air and develops a green coating and turns black when it is heated

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