Advertisements
Advertisements
प्रश्न
Which of the following cannot be separated from air by the process of fractional distillation ?
पर्याय
oxygen
argon
hydrogen
nitrogen
Advertisements
उत्तर
hydrogen
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.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
All matter is made up of tiny particles called ______
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
Classify the following into elements, compounds and mixtures:
- Sodium
- Soil
- Sugar solution
- Silver
- Calcium carbonate
- Tin
- Silicon
- Coal
- Air
- Soap
- Methane
- Carbon dioxide
- Blood
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
What are the two types of pure substances? Give one example of each type.
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
Out of a colloid, solution and a suspension :
which one has the largest particles ?
Explain what happens when a beam of light is passed through a colloidal solution.
Define Aerosol Give one example.
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
Name the process which can be used to recover salt from an aqueous salt solution.
Name the process by which all the dye can be recovered from black ink.
How will you separate a mixture containing sand and sugar ?
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
The boiling point of liquid argon is :
The most reactive metal is ______.
Intermolecular space is maximum in ______.
A teabag placed in a cup of hot water will diffuse into the water.
Gases do not diffuse very easily.
