What is the chemical formula for green vitriol?
- A$CuSO_4 \cdot 5H_2O$
- B$FeSO_4 \cdot 7H_2O$
- C$CaSO_4 \cdot 2H_2O$
- D$ZnSO_4 \cdot 7H_2O$
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Similar Questions
Match the following:
List-$I$ (Chemical) List-$II$ (Use) $A$. $KOH$ $I$. Coolant $B$. $Na_{(l)}$ $II$. Antacid $C$. $Li$ $III$. Electrochemical Cells $D$. $Mg(OH)_2$ $IV$. Absorbent for $CO_2$
The correct answer is:
| List-$I$ (Chemical) | List-$II$ (Use) |
|---|---|
| $A$. $KOH$ | $I$. Coolant |
| $B$. $Na_{(l)}$ | $II$. Antacid |
| $C$. $Li$ | $III$. Electrochemical Cells |
| $D$. $Mg(OH)_2$ | $IV$. Absorbent for $CO_2$ |
The correct answer is:
Copper becomes green when exposed to moist air for a long period. This is due to
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