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- When oxygen is passed through a solution of Na2SO3 we get:
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- Chemical formula of yellow ammonium sulphide is:
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- Formation of ozonide is:
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- The maximum number of unpaired electrons exists in:
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- Oxygen is paramagnetic. The unpaired electrons are present in:
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- Liquid oxygen is:
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- SO2 is dried by:
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- When SO2 gas is passed through cupric chloride solution:
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- Which loses weight on exposure to the atmosphere ?
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- When water is added in conc. H2SO4 the reaction is exothermic because ...
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- Which does not react with KMnO4 solution ?
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- The element which evolves two gases on reacting with conc.H2SO4 is:
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- H2SO4 has very corrosive action on skin because:
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- When concentrated H2SO4 is added to dry KNO3, brown fumes evolve. Thes...
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- Sulphur on oxidation with hot sulphuric acid gives:
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- Oxygen can be obtained from bleaching powder by:
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- There is no S-S bond in:
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- There is O-O bond in:
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- Anhydride of sulphuric acid is:
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- Which on heating will give mixture of SO2 and SO3
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