MCQ
Colourless solution of different salts are present in four separate test tubes. Which solution will turn blue when a copper rod is dipped in it?
- A$Pb \left( NO _3\right)_2$
- ✓$AgNO _3$
- C$Zn \left( NO _3\right)_2$
- D$Cd \left( NO _3\right)_2$
✓
Answer
Correct option: B.
$AgNO _3$
b
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