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प्रश्न
Initially sulphuric acid was obtained from ______.
विकल्प
Blue vitriol
Oil of vitriol
Green vitriol
Both Oil of vitriol and Green vitriol
MCQ
रिक्त स्थान भरें
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उत्तर
Initially sulphuric acid was obtained from green vitriol.
Explanation:
Historically, sulphuric acid was first obtained by the thermal decomposition of distilled green vitriol (FeSO4 . 7H2O).
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