In the process of sublimation, the substance transforms directly

Question

In the process of sublimation, the substance transforms directly

A. from the solid state to the liquid state

B. from the liquid state to gaseous state

C. from the solid state to gaseous state

D. from the liquid state to solid state

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According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

A. Equal number of electrons

B. Equal number of ions

C. Equal number of atoms

D. Equal number of molecules

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Of the following properties, the magnitude of one must always increase with temperature. The property is

A. vapour pressure

B. density

C. $∆ H_{v a p}$

D. surface tension

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Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be

A. 3:2:2:1

B. 2:1:2:3

C. 1:2:2:3

D. 1:1:1:1

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Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

A. $N H_{3}$ ,

B. $B r_{2}$

C. $C C l_{4}$

D. $O_{2}$

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The mean free path of a gas molecule is the distance

A. between the two opposite walls of the container

B. through which the molecules travel in one second

C. through which molecules move between two consecutive collisions

D. travelled by all the molecules divided by the total number of molecules in a particular gas

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How many nearest neighbours are there in an octahedral hole of a close packed structure

A. 4

B. 6

C. 8

D. 12

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In a dose packed arrangement of N spheres, the number of tetrahedral holes are

A. N

B. 2N

C. N/2

D. $N_{2}$

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For a given gas at temperature T and pressure P the root mean square velocity (RMS) is C; then at temperature T and pressure 3P the RMS is

A. Unchanged

B. 3C

C. C/3

D. $C^{3}$

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A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will

A. be enlarged

B. be collapse

C. remain unchanged in size

D. have half its volume of the gas

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Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

A. 6 and 6

B. 4 and 4

C. 1 and 1

D. 6 and 4

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The V.D. of a gas is 11.2 gm. The volume occupied by 11.2 gm. of this gas at N.T.P. is

A. 12 litre

B. 11.2 litres

C. 2.24 litres

D. 22.4 litres

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Indicate the most volatile liquid of the following:

A. $C H_{3} O H$

B. $C H_{3} O C H_{3}$

C. $H_{2} O$

D. $C H_{3} C H_{2} O C H_{2} C H_{3}$

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Chloroform and benzene form a pair of miscible liquids. These can be separated by

A. a separating funnel

B. distillation

C. sublimation

D. filtration

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In zinc blende structure, the zinc atoms occupy

A. all tetrahedral sites

B. all octahedral sites

C. half of the octahedral sites

D. half of the tetrahedral sites

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A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

A. become half of 740 mm

B. remain unchanged

C. become 1/9 of 740 mm

D. become double of 740 mm

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The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

A. 1.086:1

B. 1:1.086

C. 2 :1.086

D. 1.086 : 2

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1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

A. V( $C O_{2}$ ) > V( $S O_{2}$ )

B. V( $C O_{2}$ ) = V( $S O_{2}$ )

C. V( $S O_{2}$ ) > V( $C O_{2}$ )

D. cannot be predicted

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What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

A. 18.00

B. 28.01

C. 56.02

D. 14.05

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The best electrical conductor of the following is

A. $C O_{2}$ (s)

B. Si(s)

C. NaCl (fused)

D. $B r_{2}$ (I)

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The weight of 22.4 litres of any gas at N.T.P. represent its

A. gm atomic weight

B. gm molecular weight

C. gm equivalent weight

D. None of these

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Which of the following methods is used to determine the atomic weight?

A. Victor Meyer's method

B. Dumas' method

C. Cannizaro's method

D. None of these

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In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be

A. $A B_{2}$

B. $A B_{3}$

C. $A_{2} B_{3}$

D. $A_{2} B$

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Number of molecules of carbon dioxide present in 44 gm $C O_{2}$ is

A. 12 x $^{10^{23}}$ approximately

B. 3 x $^{10^{10}}$ approximately

C. 6 x $^{10^{10}}$ approximately

D. 3 x $^{10^{23}}$ approximately

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The relation between molecular wt. and vapour density is

A. Molecular wt. = $\frac{2}{3}$ V.D.

B. Molecular wt. = $\frac{1}{3}$ V.D.

C. Molecular wt. = V.D.

D. Molecualr wt = 2 x V.D.

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A chalk box exhibits

A. cubic geometry

B. monoclinic geometry

C. orthorhombic geometry

D. tetragonal

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Kinetic theory of gases postulates :

A. The molecules in a gas are in stationary state

B. The molecules in a gas exert appreciable attraction on each other

C. The molecules move in a random motion with widely different velocities

D. The molecules in a gas collide against each other as well as the wall of the container, but do not change their direction of motion

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The molecular weight of a volatile liquid can be determined by

A. Dumas' method

B. Victor Meyer's method

C. Cryoscopic method

D. Osmotic pressure

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The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends upon the

A. pressure of a gas

B. temperature of the gas

C. volume of the gas

D. pressure, temperature and volume of the gas

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The number of molecules of $C O_{2}$ present in 44 gms. of $C O_{2}$ is

A. 6 x $^{10^{23}}$ approx

B. $10^{30}$ approx

C. 3 x $^{10^{10}}$ approx

D. 12 x $^{10^{23}}$ approx

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Which of the following would you expect to affect the vapour pressure of a liquid?

A. Inter-molecular forces in the liquid

B. Volume of the liquid in the liquid-vapour equilibrium

C. Volume of the vapour in the liquid-vapour equilibrium

D. The size of the container in which liquid-vapour equilibrium is establishe

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Accepted Answer

C. from the solid state to gaseous state

In the process of sublimation, the substance transforms directly

Correct Answer :

Show all State of Matter MCQ

Related Questions

According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

Of the following properties, the magnitude of one must always increase with temperature. The property is

Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be

Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

The mean free path of a gas molecule is the distance

How many nearest neighbours are there in an octahedral hole of a close packed structure

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

For a given gas at temperature T and pressure P the root mean square velocity (RMS) is C; then at temperature T and pressure 3P the RMS is

A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

The V.D. of a gas is 11.2 gm. The volume occupied by 11.2 gm. of this gas at N.T.P. is

Indicate the most volatile liquid of the following:

Chloroform and benzene form a pair of miscible liquids. These can be separated by

In zinc blende structure, the zinc atoms occupy

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

The best electrical conductor of the following is

The weight of 22.4 litres of any gas at N.T.P. represent its

Which of the following methods is used to determine the atomic weight?

In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be

Number of molecules of carbon dioxide present in 44 gm $C O_{2}$ is

The relation between molecular wt. and vapour density is

A chalk box exhibits

Kinetic theory of gases postulates :

The molecular weight of a volatile liquid can be determined by

The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends upon the

The number of molecules of $C O_{2}$ present in 44 gms. of $C O_{2}$ is

Which of the following would you expect to affect the vapour pressure of a liquid?

Also checkout

In the process of sublimation, the substance transforms directly

Correct Answer :

Show all State of Matter MCQ

Related Questions

According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

Of the following properties, the magnitude of one must always increase with temperature. The property is

Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be

Normal boiling points values are for NH3, - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

The mean free path of a gas molecule is the distance

How many nearest neighbours are there in an octahedral hole of a close packed structure

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

For a given gas at temperature T and pressure P the root mean square velocity (RMS) is C; then at temperature T and pressure 3P the RMS is

A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will

Sodium chloride has fee structure. How many Na+ and Cl- ions are there in the unit cell?.

The V.D. of a gas is 11.2 gm. The volume occupied by 11.2 gm. of this gas at N.T.P. is

Indicate the most volatile liquid of the following:

Chloroform and benzene form a pair of miscible liquids. These can be separated by

In zinc blende structure, the zinc atoms occupy

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

1.The correct relationship representing the volume occupied by 44 gm of CO2 and 64 gm of SO2 at constant temperahire and pressure:

What will be the mass of 6.03 x 1023 molecules of carbon monoxide ?

The best electrical conductor of the following is

The weight of 22.4 litres of any gas at N.T.P. represent its

Which of the following methods is used to determine the atomic weight?

In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be

Number of molecules of carbon dioxide present in 44 gm CO2 is

The relation between molecular wt. and vapour density is

A chalk box exhibits

Kinetic theory of gases postulates :

The molecular weight of a volatile liquid can be determined by

The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends upon the

The number of molecules of CO2 present in 44 gms. of CO2 is

Which of the following would you expect to affect the vapour pressure of a liquid?

Also checkout

Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

Number of molecules of carbon dioxide present in 44 gm $C O_{2}$ is

The number of molecules of $C O_{2}$ present in 44 gms. of $C O_{2}$ is