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प्रश्न
Who obtained nitric acid by distilling nitre (KNO3)?
विकल्प
Glauber
Lavoisier
Cavendish
Ostwald
MCQ
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उत्तर
Glauber
Explanation:
In 1658, the German chemist Glauber initially prepared nitric acid by distilling nitre (KNO3) with concentrated sulphuric acid.
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