Dinitrogen is produced commercially from air by fractional:
ASedimentation
BDistillation
CFiltration
DEvaporation
Answer & Solution
Correct answer: B. Distillation
1. Air is first cooled until it liquefies.
2. The liquid is then separated by boiling point.
3. That is fractional distillation.
_Source: NCERT Class 12 Chemistry, Chapter 7, The p-Block Elements._
Related questions
Dinitrogen gas is colourless, tasteless, odourless and:Liquid dinitrogen distils out first, boiling at about:Dinitrogen is a gas whose molecule is:The ionisation enthalpy of group 15 exceeds that of group:Nitrogen cannot reach the plus five state with halogens because it has no:The rising stability of the plus three state down group 15 is due to:Which element hardly forms compounds in the minus three state?Going down group 15, the minus three oxidation state becomes: