Q441
Open questionThe manufacture of Kraft pulp is done by a/an __________ process.
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Q442
Open questionCommercially ethylene is produced from naphtha by
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Q443
Open questionHow much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
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Q444
Open questionPick out the wrong statement.
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Q445
Open questionNeon gas is
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Q446
Open questionNeoprene is a
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Q447
Open questionNeoprene is the trade name of
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Q448
Open questionH2S is scrubbed from refinery gases by absorption using
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Q449
Open questionCeramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
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Q450
Open questionWidely used method for the conditioning of boiler feed water is the
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Q451
Open questionThe major constituent of black liquor generated during paper manufacture is sodium
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Q452
Open questionBoiling of water containing temporary hardness produces
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Q453
Open questionWhich of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?
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Q454
Open questionPick out the wrong statement.
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Q455
Open questionNicotine is
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Q456
Open questionThe purpose of tanning in leather industry is to
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Q457
Open questionWhat products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?
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Q458
Open questionPick out the wrong statement.
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Q459
Open questionNylon-6 is a
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Q460
Open questionDuring the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
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