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11
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of
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Answer: Option A
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12
Oxygen is produced by fractionation of air using __________ process.
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Answer: Option C
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13
Pick out the wrong statement.
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Answer: Option D
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14
Electric bulbs are made of __________ glass.
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Answer: Option B
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15
__________ is produced using molasses as the starting raw material.
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Answer: Option B
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16
Sucrose content in cane sugar may be around __________ percent.
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Answer: Option D
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17
Percentage of alcohol in beer may be around __________ percent.
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Answer: Option A
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18
Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because
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Answer: Option C
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19
Aryl benzene sulphonate (ABS) is a
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Answer: Option A
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20
Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?
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Answer: Option B
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