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Chemistry-

General

Easy

Question

Which is distilled first

Liquid $C O_{2}$
Liquid $N_{2}$
Liquid $O_{2}$
Liquid $H_{2}$

The correct answer is: Liquid $H subscript 2 end subscript$

Boiling point of liquid hydrogen is lowest of given substances so it is distilled first.

Related Questions to study

Which pair does not show hydrogen isotopes

Which pair does not show hydrogen isotopes

chemistry-General

Among $A l subscript 2 end subscript O subscript 3 end subscript comma S i O subscript 2 end subscript comma P subscript 2 end subscript O subscript 3 end subscript$ and $S O subscript 2 end subscript$ the correct order of acid strength is </span

Among $A l subscript 2 end subscript O subscript 3 end subscript comma S i O subscript 2 end subscript comma P subscript 2 end subscript O subscript 3 end subscript$ and $S O subscript 2 end subscript$ the correct order of acid strength is </span

chemistry-General

The C.GS. unit of coefficient of viscosity is poise and the SI unit is Pa-S. What is the relation between the two?

The C.GS. unit of coefficient of viscosity is poise and the SI unit is Pa-S. What is the relation between the two?

physicsGeneral

parallel

The following graph illustrates

The following graph illustrates

chemistry-General

64 equal drops of water are falling through air with a steady velocity $V subscript 0$ , if the drops coalesce, what is their new velocity?

64 equal drops of water are falling through air with a steady velocity $V subscript 0$ , if the drops coalesce, what is their new velocity?

A steel ball of diameter 3.2 mm falls under gravity through an oil of density 920kg $straight m to the power of negative 3 end exponent$ and viscosity 1.64Ns $straight m to the power of negative 2 end exponent$ . The density of steel may be taken as7820kg $m to the power of negative 3 end exponent$ What is the terminal velocity of the ball?

A steel ball of diameter 3.2 mm falls under gravity through an oil of density 920kg $straight m to the power of negative 3 end exponent$ and viscosity 1.64Ns $straight m to the power of negative 2 end exponent$ . The density of steel may be taken as7820kg $m to the power of negative 3 end exponent$ What is the terminal velocity of the ball?

parallel

A steel ball of diameter 3 mm falls through glycerine and covers a distance of 25 cm in 10s. The specific gravity of steel and glycerine are 7.8 and 1.26 respectively. The viscosity of glycerine is about......... pa"

A steel ball of diameter 3 mm falls through glycerine and covers a distance of 25 cm in 10s. The specific gravity of steel and glycerine are 7.8 and 1.26 respectively. The viscosity of glycerine is about......... pa"

A boat of area floating on the surface of a river is made to move horizontaly with a speed of by applying a tangential force. If the river is deep and the water in contact with the bed is stationary, what is the tangential force needed to keep the boat moving ? (viscosity of water 0.01 poise)

A boat of area floating on the surface of a river is made to move horizontaly with a speed of by applying a tangential force. If the river is deep and the water in contact with the bed is stationary, what is the tangential force needed to keep the boat moving ? (viscosity of water 0.01 poise)

The slope of the tangent to the curve $y equals 6 plus x minus x to the power of 2 end exponent$ at $left parenthesis 24 right parenthesis$ is

To find the slope we differentiate the given curve w.r.t x.

The slope of the tangent to the curve $y equals 6 plus x minus x to the power of 2 end exponent$ at $left parenthesis 24 right parenthesis$ is

To find the slope we differentiate the given curve w.r.t x.

parallel

The velocity of a small ball of mass m and density $d to the power of 1$ when dropped in a container filled with glycerine becomes constants after sometime. What is the viscous force acting on the ball? (density of glycerin is $d squared$ )

The velocity of a small ball of mass m and density $d to the power of 1$ when dropped in a container filled with glycerine becomes constants after sometime. What is the viscous force acting on the ball? (density of glycerin is $d squared$ )

Complete the sentence If the height of a capillary is smaller than the height to which water should rise, then…..

Complete the sentence If the height of a capillary is smaller than the height to which water should rise, then…..

By how much depth will the surface of a liquid be depressed in a glass tube of radius 0.2 mm if the angle of contact of the liquid is $135 to the power of 0$ and the surface tension is 0.547N $m to the power of negative 1 end exponent$ ? (Density of the liquid is $k g m to the power of negative 3 end exponent$ )

By how much depth will the surface of a liquid be depressed in a glass tube of radius 0.2 mm if the angle of contact of the liquid is $135 to the power of 0$ and the surface tension is 0.547N $m to the power of negative 1 end exponent$ ? (Density of the liquid is $k g m to the power of negative 3 end exponent$ )

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A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm . Then what is the radius of the common surface?

A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm . Then what is the radius of the common surface?

To w hat height can mercury be filled in a resell without any leakage if there is a pin hole of diameter 0.1 mm at the bottom of the vessel. (Density of mercury $equals 13.6 cross times 10 to the power of 5 space end exponent$ kgm^-3, surface tension of mercury - $550 cross times 10 h to the power of negative 3 end exponent p N m to the power of negative 1 end exponent$ Angle of contact with the vessel for mercury= $0 to the power of 0$ )

To w hat height can mercury be filled in a resell without any leakage if there is a pin hole of diameter 0.1 mm at the bottom of the vessel. (Density of mercury $equals 13.6 cross times 10 to the power of 5 space end exponent$ kgm^-3, surface tension of mercury - $550 cross times 10 h to the power of negative 3 end exponent p N m to the power of negative 1 end exponent$ Angle of contact with the vessel for mercury= $0 to the power of 0$ )

amount of energy evolved when eight droplets of mercury ( surface tension 0.55N $m to the power of 1$ ) of radius each combine into one drop is .......

amount of energy evolved when eight droplets of mercury ( surface tension 0.55N $m to the power of 1$ ) of radius each combine into one drop is .......

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