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51
The drug 'Marijuana' is a
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Answer: Option A
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52
Heat resistant variety of glass is
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Answer: Option C
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53
The element which is used for vulcanising rubber
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Answer: Option A
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54
Polythene is polymer of
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Answer: Option A
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55
Glass is soluble in
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Answer: Option D
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56
A thick paste of cement, sand and water is called
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Answer: Option C
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57
Which of the following is used as filler in tyre of rubber?
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Answer: Option A
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58
Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes?
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Answer: Option D
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59
In the context of alternative sources of energy, ethanol as a viable bio-fuel can be obtained from
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Answer: Option A
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60
Which one of the flame is used by the Goldsmith to heat the gold?
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Answer: Option C
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