Question

2. Which of the following cannot be separated from air by the process
of fractional distillation?
1
निम्नलिखित में से कौन हवा से आंशिक आसवन द्वारा अलग नहीं किया जा सकता?
(a) Oxygen (ऑक्सीजन)
(b)Argon (आर्गन)
(c) Hydrogen (हाइड्रोजन) (d) Nitrogen (नाइट्रोजन)​

Answer 1

Answer:

Hydrogen cannot be separated from the mixture of air as it is not present in free state. The three major components of air are nitrogen, oxygen and argon. These are separated using fractional distillation.

Answer 2

Answer:

Hydrogen cannot be separated from air