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11
Nobel oil' is the name of which one of the following explosives?
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Answer: Option A
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12
Which one of the following elements is used in the manufacturing offertilisers?
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Answer: Option B
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13
Which one of the following types of glass can cut off ultraviolet rays?
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Answer: Option D
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14
Which of the following produces highest amount of energy upon oxidation?
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Answer: Option B
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15
Saccharin is made up of
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Answer: Option A
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16
Which of the following is used to remove the green colour from glass?
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Answer: Option D
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17
Match List-I with List-II and select the correct answer:
List-I List-II
a. Morphine 1. Antiseptic
b. Sodium 2. Alloy
c. Boric acid 3. Analgesic
d. German silver 4. Kerosene oil
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Answer: Option D
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18
Detergents clean surfaces on the principle of
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Answer: Option B
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19
The chemical used in manufacturing of dynamite is
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Answer: Option C
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20
Which one of the following has the highest fuel value?
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Answer: Option A
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