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The colour of Hydrogen gas is _______?

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Army Soldier Technical (Pune) 1 Nov 2020 Official Paper
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  1. Black
  2. Colourless
  3. Yellow
  4. Orange

Answer (Detailed Solution Below)

Option 2 : Colourless
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Detailed Solution

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The correct answer is colourless

CONCEPT:

  • Hydrogen is the most abundant gas in the universe. 
  • It is the first element in the periodic table.
  • The atomic number is 1
  • The nucleus of hydrogen contains one proton but no neutron.
  • It is lighter than air and insoluble in water.
  •  

EXPLANATION:

  • Hydrogen is a colourless, odourless gas.

 

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Latest Army Technical Agniveer Updates

Last updated on Jun 5, 2025

->Indian Army Technical Agniveer CEE Exam Date has been released on the official website.

-> The Indian Army had released the official notification for the post of Indian Army Technical Agniveer Recruitment 2025.

-> Candidates can apply online from 12th March to 25th April 2025.

-> The age limit to apply for the Indian Army Technical Agniveer is from 17.5 to 21 years.

-> The candidates can check out the Indian Army Technical Syllabus and Exam Pattern.

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