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प्रश्न
Define the following term : Oleum
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उत्तर
Oleum : Oleum is called pyrosulphuric acid or orthosulphuric acid. Formula is H2S2O7.
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संबंधित प्रश्न
Sulphuric acid is manufactured by the contact process.
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Fill in the blank with appropriate word/words :
The catalyst used in contact process for the manufacture of H2SO4 is ___________ or _________.
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