An example of covalent solid is

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An example of covalent solid is

A. diamond

B. NaCl

C. Copper

D. $C O_{2}$

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A gas or vapour may be liquefied only at a temperature at or

A. below the critical temperature

B. above the critical temperature

C. above the normal boiling point

D. at any temperature

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Which of the following phrases would be incorrect to use?

A. An atom of an element

B. An atom of a compound

C. A molecule of a compound

D. A molecule of an element

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Arrange the following in order of increasing inter-molecular forces and boiling points: $N H_{3}$ ,He, $C l_{2}$

A. $H e < C l_{2} < N H_{3}$

B. $H e > C l_{2} > N H_{3}$

C. $C l_{2} < H e < N H_{3}$

D. $N H_{3} < H e < C l_{2}$

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6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

A. volumes

B. molecules

C. atoms

D. temperature

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The number of molecules in 32 gms of oxygen in

A. 6.02 x $^{10^{10}}$

B. 3.2 x $^{10^{23}}$

C. 6.02 x $^{10^{22}}$

D. 32 x $^{10^{10}}$

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The electrical conductivity of metals is of the order of

A. $10^{12} o h m^{- 1} c m^{- 1}$

B. $10^{8} o h m^{- 1} c m^{- 1}$

C. $10^{2} o h m^{- 1} c m^{- 1}$

D. $10^{- 6} o h m^{- 1} c m^{- 1}$

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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 number of atoms in 0.004 gm of magnesium is close to

A. 36x $^{10^{5}}$

B. $^{10^{20}}$

C. 5 x $^{10^{20}}$

D. 6.02 x $^{10^{23}}$

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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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20 litres of hydrogen gas weighs about

A. 1.8 g

B. 3.6 g

C. 224 g

D. 12.2 g

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One mole of gas is defined as

A. The number of molecules in 22.4 litres of gas at S.T.P

B. The number of molecules contained | in 6 grams of 12 C isotope

C. The number of molecules in one formula weight of gas

D. The number of molecules in litre of gas

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Match box has the symmetry of which of the following systems?

A. Cubic

B. Orthorhombic

C. Tetragonal

D. Monoclinic

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The vapour density of ozone would be

A. 72

B. 8

C. 48

D. 24

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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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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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Gases deviate from the ideal behaviour because their molecules

A. possess negligible volume

B. have forces of attraction between them

C. are polyatomic

D. are not attracted to one another

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The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

B. 6 x $^{10^{22}}$

C. 6 x $^{10^{23}}$ approximately

D. 5 x $^{10^{30}}$ approximately

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The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

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The number of molecules in 4.25 gm of ammonia are approximately

A. $0.5 \times 10^{23}$

B. $1.5 \times 10^{23}$

C. $2.5 \times 10^{23}$

D. $3.5 \times 10^{23}$

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7.Which of the following sets of conditions represent the easiest way to liquefy a gas?

A. Low temperature and high pressure

B. High temperature and low pressure

C. High temperature and low pressure

D. None of these

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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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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 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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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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Lattice energy of a solid is high if

A. the radii of the ions are large

B. radii of the ions are small

C. charge on the ions are small

D. the ions are neutral

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A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

A. 4.1 x $^{10^{- 2}}$ dynes $c m^{- 1}$

B. 4.1 x $10^{3}$ dynes $c m^{- 1}$

C. 7.1 x $10^{- 3}$ dynes $c m^{- 1}$

D. None of these

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From the Dulong and Petit's law atomic weight is given by which one of the following relations?

A. 6.41 sp. heat

B. 6.4/sp. heat

C. sp. heat/6.4

D. sp. heat/6.4 x 2

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Volume occupied by 4.4 gift of carbon dioxide is

A. 4.4 litres

B. 2.24 litres

C. 22.4 litres

D. 4.48 litres

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One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

A. Benjamin hypothesis

B. Avogadro's hypothesis

C. Dalton's theory

D. Law of atomic volume

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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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Accepted Answer

A. diamond

An example of covalent solid is

Correct Answer :

Show all State of Matter MCQ

Related Questions

A gas or vapour may be liquefied only at a temperature at or

Which of the following phrases would be incorrect to use?

Arrange the following in order of increasing inter-molecular forces and boiling points: $N H_{3}$ ,He, $C l_{2}$

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

The number of molecules in 32 gms of oxygen in

The electrical conductivity of metals is of the order of

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

The number of atoms in 0.004 gm of magnesium is close to

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

20 litres of hydrogen gas weighs about

One mole of gas is defined as

Match box has the symmetry of which of the following systems?

The vapour density of ozone would be

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

The mean free path of a gas molecule is the distance

Gases deviate from the ideal behaviour because their molecules

The number of N2 molecules present in 28 nitrogen is

The limiting radii ratio for the tetrahedral geometry is

The number of molecules in 4.25 gm of ammonia are approximately

7.Which of the following sets of conditions represent the easiest way to liquefy a gas?

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

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

The best electrical conductor of the following is

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

Lattice energy of a solid is high if

A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

From the Dulong and Petit's law atomic weight is given by which one of the following relations?

Volume occupied by 4.4 gift of carbon dioxide is

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

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

Also checkout

An example of covalent solid is

Correct Answer :

Show all State of Matter MCQ

Related Questions

A gas or vapour may be liquefied only at a temperature at or

Which of the following phrases would be incorrect to use?

Arrange the following in order of increasing inter-molecular forces and boiling points:NH3,He,Cl2

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

The number of molecules in 32 gms of oxygen in

The electrical conductivity of metals is of the order of

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

The number of atoms in 0.004 gm of magnesium is close to

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

20 litres of hydrogen gas weighs about

One mole of gas is defined as

Match box has the symmetry of which of the following systems?

The vapour density of ozone would be

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

The mean free path of a gas molecule is the distance

Gases deviate from the ideal behaviour because their molecules

The number of N2 molecules present in 28 nitrogen is

The limiting radii ratio for the tetrahedral geometry is

The number of molecules in 4.25 gm of ammonia are approximately

7.Which of the following sets of conditions represent the easiest way to liquefy a gas?

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

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

The best electrical conductor of the following is

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

Lattice energy of a solid is high if

A liquid of density 1.742 g cm-3 is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

From the Dulong and Petit's law atomic weight is given by which one of the following relations?

Volume occupied by 4.4 gift of carbon dioxide is

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

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

Also checkout

Arrange the following in order of increasing inter-molecular forces and boiling points: $N H_{3}$ ,He, $C l_{2}$

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

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

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

A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is