Science · Chemistry
What is the chemical formula of Blue Vitriol (Nila Thotha)?
- 1FeSO₄·7H₂O
- 2CuSO₄·5H₂O✓
- 3Na₂B₄O₇·10H₂O
- 4NH₄Cl
Correct answer
CuSO₄·5H₂O
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