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Multiple Choice questions under tag chemicals

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Which of these is a common synthetic compound that, from 1878 to 1950, was derived from toluene extracted from coal tar? [MCQ]
posted Jan 3, 2019 by Saif Khanam
  • chemicals
0 votes
The smell of hydrogen sulfide is usually compared with which of these? [MCQ]
posted Oct 10, 2018 by Alok Dev
  • chemicals
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Which of these are available in varieties such as 'rasayanik' and 'jaivik'? [MCQ]
posted Sep 20, 2018 by Pallavi Dubey
  • chemicals
  • organic
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Which element is essential for the construction of nuclear reactors? [MCQ]
posted Aug 27, 2018 by Jasmine P
  • chemicals
  • elements
  • nuclear
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What colour does red litmus paper turn when in contact with alkaline? [MCQ]
posted Aug 8, 2018 by Pankaj Deshmukh
  • chemicals
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What chemical is mostly used in match heads? [MCQ]
posted Jul 13, 2018 by Vishal
  • chemicals
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What chemical, found in many living organisms, is this compound of carbon, hydrogen and nitrogen, C5H9N3? [MCQ]
posted Jul 10, 2018 by Vikram Luthra
  • chemicals
  • organism
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Which of these is essential to the production of glass, rayon, soaps, detergents, dyeing textiles and in toothpaste? [MCQ]
posted Dec 4, 2017 by anonymous
  • chemicals
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