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प्रश्न
Oleum is the common name of ______.
विकल्प
peroxodisulphuric acid
sulphurous acid
thiosulphuric acid
pyrosulphuric acid
MCQ
रिक्त स्थान भरें
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उत्तर
Oleum is the common name of pyrosulphuric acid.
Explanation:
Oleum is chemically known as pyrosulphuric acid, represented by the molecular formula H2S2O7.
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