Q501
Open questionSea water contains about __________ ppm of bromine.
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Chemical Process
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Q502
Open questionOxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.
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Q503
Open questionPurity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.
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Q504
Open questionParathion and Malathion are
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Q505
Open questionPasteurisation of milk means
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Q506
Open questionArgon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is
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Q507
Open questionPick out the true statement pertaining to water treatment.
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Q508
Open questionPick out the false statement pertaining to water treatment.
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Q509
Open questionPhenol formaldehyde
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Q510
Open questionPhenol is mainly used
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Q511
Open questionPhthalic anhydride is used
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Q512
Open questionPick out the wrong statement.
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Q513
Open questionPlaster of Paris is4
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Q514
Open questionCement setting under water employs a/an __________ process.
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Q515
Open questionExtraction of __________ employs an electrolytic process.
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Q516
Open questionPolyvinyl chloride (PVC) is
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Q517
Open question'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
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Q518
Open questionDouble Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
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Q519
Open questionLe-Blanc process is a primitive process for the manufacture of
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Q520
Open questionA 'unit process' is exemplified by the
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