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Doctors Medicines MCQs Q&A

  1. Helium
  2. Oxygen
  3. Hydrogen
  4. Neon
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2 Answers

Option 3 : Hydrogen

  • Hydrogen was discovered by Henry Cavendish.
  • Hydrogen gas is called the fuel of the future.
  • The most abundant element in the universe is Hydrogen.
  • The most abundant element on earth's crust is Oxygen.
  • Hydrogen is the 'lightest element' in the periodic table.
  • Lithium is the 'lightest metal' in the periodic table.

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Option 3 : Hydrogen

  • Hydrogen was discovered by Henry Cavendish.
  • Hydrogen gas is called the fuel of the future.
  • The most abundant element in the universe is Hydrogen.
  • The most abundant element on earth's crust is Oxygen.
  • Hydrogen is the 'lightest element' in the periodic table.
  • Lithium is the 'lightest metal' in the periodic table.

[ alt="RRB Group-D 27th Sep 2018 Shift 1 (English) Sunny (Type) Madhu(Dia) D1" src="//storage.googleapis.com/tb-img/production/19/05/RRB_Group-D_27th%20Sep%202018%20Shift%201%20%28English%29_Sunny%20%28Type%29_Madhu%28Dia%29_D1.PNG" style="width: 500px; height: 371px;">

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