Advertisements
Advertisements
प्रश्न
The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is :
पर्याय
nitrogen, oxygen, argon
nitrogen, argon, oxygen
argon, oxygen, nitrogen
oxygen, argon, nitrogen
उत्तर
nitrogen, argon, oxygen
Boiling point of liquid nitrogen, liquid argon and liquid oxygen are -196°C, -186°C and -183°C respectively. So, nitrogen will boil off first followed by argon and oxygen.
APPEARS IN
संबंधित प्रश्न
Gases have definite volume but no definite shape.
Give one difference between atoms and molecules.
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Name a metal which is soft and a non-metal which is hard.
Give reason why graphite is used for making elecrode in a dry cell.
Name a metal which has a low melting point.
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
Which of the following does not have a fixed melting point/boiling point ?
What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?
Name the process by which the various gases of the air are separated.
Describe a method to separate a mixture of camphor and sand.
How will you separate a mixture of common salt, sulphur powder and sand ?
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Wipe the board with a duster and then tap the duster against the table. What do you see?
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
Solid is an arrangement of particles ______.
Atoms are tiny particles that repel each other when they are squeezed very close.
Define the term matter.
