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51
Fourdrinier machine is used in the manufacture of
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Answer: Option B
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52
Bromine is used in the preparation of
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Answer: Option D
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53
Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about
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Answer: Option A
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54
Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
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Answer: Option B
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55
Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?
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Answer: Option C
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56
__________ glass is used for the manufacture of optical glass.
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Answer: Option C
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57
Caprolactum (a raw material for nylon-6 manufacture) is produced from
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Answer: Option C
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58
In the manufacture of viscose rayon, the raw material used industrially is
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Answer: Option D
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59
Bromine content in sea water may be around __________ ppm.
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Answer: Option A
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60
Nickel is not used as a catalyst in the
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Answer: Option D
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