Which of the following re synthetic rubbers?
1.Thiokol 2.Isoprene 3.Neoprene
1 1 and 2
2 2 and 3
3 1 and 3
4 1,2 and 3
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neel armstrong belongs to which country ?
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Why we use nhexane inplace of hexane in mobilepase preparation
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The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 Answers Neyveli Lignite Corporation,
Which of the following is used in making artificial sweetener saccharin? 1 Benzene 2 Toluene 3 Phenol 4 Aniline