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Chemistry-

General

Easy

Question

Which pair does not show hydrogen isotopes

Ortho hydrogen and para hydrogen
Protium and deuterium
Deuterium and tritium
Tritium and protium

The correct answer is: Ortho hydrogen and para hydrogen

Ortho and para hydrogen show different spin in a hydrogen molecule it does not show hydrogen isotopes.

Related Questions to study

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

The following graph illustrates

The following graph illustrates

chemistry-General

parallel

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?

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"

parallel

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 $left parenthesis 2 , 4 right parenthesis$ 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 $left parenthesis 2 , 4 right parenthesis$ is

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

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 $d squared$ )

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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 $k g m to the power of negative 3 end exponent$ )

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?

parallel

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 .......

In a Searle's experiment, the diameter of the wire as measured by a screw gauge of least count 0.1.m, is 110.0 cm, When a weight of 50 N is suspended from the wire, the extension is measured to 0.125 cm by a micrometer of least count 0.001 cmthe maximum error in the measurement of Young's modulus of the material of the wire is....N/m^2?

In a Searle's experiment, the diameter of the wire as measured by a screw gauge of least count 0.1.m, is 110.0 cm, When a weight of 50 N is suspended from the wire, the extension is measured to 0.125 cm by a micrometer of least count 0.001 cmthe maximum error in the measurement of Young's modulus of the material of the wire is....N/m^2?

parallel

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