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प्रश्न
Complete the statement by filling in the blank with the correct word:
Direct combination reaction of sulphur dioxide with water gives ________.
विकल्प
\[\ce{H2SO4}\]
\[\ce{H2SO3}\]
\[\ce{H2S2O7}\]
उत्तर
Direct combination reaction of sulphur dioxide with water gives H2SO3.
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