What becomes the colour of iron nails after they have been kept in the blue solution of copper sulphate for about 20 minutes?
1) white
2) Reddish brown
3) green
4) blue
Answers
Answered by
7
Answer:
on keeping iron nail on copper sulphate for twenty minutes a green colour is form because iron has higher electro positive character that copper.
the answer is number 3) green
Answered by
0
Answer:
What becomes the colour of iron nails after they have been kept in the blue solution of copper sulphate for about 20 minutes?
Answer : 3 Green
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