Q341
Open questionChemical formula of 'salt cake' is
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Q342
Open questionDetergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
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Q343
Open questionPlasticisers are added to paints to
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Q344
Open questionPick out the correct statement.
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Q345
Open questionWhich catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
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Q346
Open questionBrackish water which contains mostly dissolved salt, can be purified by the __________ process.
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Q347
Open questionStereospecific agents are exemplified by
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Q348
Open questionHigh purity nitrogen is used in
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Q349
Open questionWhich of the following impurities in feed water for high pressure boiler is the most detrimental?
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Q350
Open questionEssential oils are usually obtained using
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Q351
Open questionCooking liquor in case of sulphite process is
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Q352
Open questionThe main component of pyrex glass is
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Q353
Open questionMain constituent of limestone is
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Q354
Open questionEthylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
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Q355
Open questionCatalyst used in the hydrogenation of oil is
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Q356
Open questionIn the Lurgi coal gasifier
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Q357
Open questionUse of chlorine in the treatment of sewage
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Q358
Open questionBleaching of paper pulp is done with
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Q359
Open question__________ is produced using polycondensation reaction.
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Q360
Open questionFlux addition during smelting of ore is done to
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