Question
Download Solution PDFWhich one of the following is the colour of hydrogen gas?
This question was previously asked in
NDA 01/2022: General Ability Test Previous Year Paper (Held On 10 April 2022)
Answer (Detailed Solution Below)
Option 4 : Colourless
Free Tests
View all Free tests >
NDA 01/2025: English Subject Test
30 Qs.
120 Marks
30 Mins
Detailed Solution
Download Solution PDFThe correct answer is Colourless.
Explanation:
- Hydrogen is the most abundant gas in the universe.
- The chemical element hydrogen has the symbol H and the atomic number 1.
- It is the very first element in the periodic table.
- The hydrogen nucleus contains one proton but no neutron.
- It is insoluble in water and lighter than the air.
- In nature, hydrogen gas is colourless, odourless, non-toxic, and tasteless.
- It is a combustible gas, but it does not support combustion
Thus, the colour of the hydrogen gas is colourless.
Latest NDA Updates
Last updated on Jun 18, 2025
->UPSC has extended the UPSC NDA 2 Registration Date till 20th June 2025.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced. The written examination will be held on 14th September 2025.
-> The selection process for the NDA exam includes a Written Exam and SSB Interview.
-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100.
-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential.