Science, asked by kmehakpreet353, 2 months ago

some articles made up of silver copper and iron get coloured coating over them when they are exposed to air identify the colour and chemical name of the substance of coating each case.​

Answers

Answered by avanishsingh99
7

Answer:

1. Silver: black coating: Silver sulfide.

2. Iron :reddish Brown: Ferric oxide.

Answered by carlmenezes066
2

my name is Carl ,I'm 18

I'm an American Indian .I live in Goa

wby?

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