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Unanswerd questions under tag elements

+2 votes
0 answers
Which is the most abundant element in the earth's crust?
posted Sep 24, 2018 by Mohammad
  • earth
  • elements
0 votes
Which of these substances is composed of only two elements – hydrogen and oxygen? [MCQ]
posted Sep 3, 2018 by Alok Dev
  • elements
  • chemistry
  • substance
0 votes
Which element is essential for the construction of nuclear reactors? [MCQ]
posted Aug 27, 2018 by Jasmine P
  • chemicals
  • elements
  • nuclear
0 votes
0 answers
Which element is the poor conductor of heat?
posted Jun 26, 2017 by Sanjeev Kumar
  • elements
+2 votes
0 answers
Why Food cans are coated with Tin and not Zinc Element?
posted Mar 23, 2016 by Atindra Kumar Nath
  • science
  • elements
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