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- In the estimation of nitrogen by Duma 's method 1.18 g of an organic c...
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- 0.20 g of a hydrocarbon on combustion gave 0.66 g CO2 . The percentage...
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- Ellution is the process for :
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- Sublimation method can be used for the purification of :
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- In Lassaigne's test sodium metal is used because :
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- Kjeldahl 's method cannot be used for the estimation of nitrogen in :
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- Carbon and hydrogen are estimated by :
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- In kjeldahl's method ,nitrogen present is estimated as :
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- Petroleum refining involves:
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- In paper chromatography:
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- The most satisfactory method of separating sugars from each other is :
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- Anthracene is purified by :
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- An organic substance from its aqueous solution can be separated by :
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- Lassaigne's test for the detection of nitrogen will fail in case of :
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- Which reagent is useful in separating benzoic acid from phenol ?
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- One having high vapour pressure at temperature below its melting point...
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