How many moles of water are present in 180 gm. of water ?

Question

How many moles of water are present in 180 gm. of water ?

A. 11

B. 5

C. 90

D. 21

Correct Answer :

D. 21

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

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At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

A. 150°C

B. 150°K

C. 27°C

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Three dimensional array of points in space is called

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An element has atomic weight 24 and equivalent weight 11.9. Its valency is

A. 1

B. 2

C. 3

D. 4

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The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

A. 22 gms

B. 66 gms

C. 11 gms

D. 16 gms

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The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

C. E

D. 22E

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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

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The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

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The critical temperature of a substance is defined as

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In the wurtzite structure sulphur atoms have

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22.4 litre of any gas at N.T.P. will contain

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One mole of gas is defined as

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Which of the following will have low heat of fusion?

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

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The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

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The vapour density of pure ozone would be

A. 32

B. 8

C. 12

D. 24

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Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

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Correct gas equation is

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Gases deviate from the ideal behaviour because their molecules

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The vol. of 20 gms of nitrogen at N.T.P.

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

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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

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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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Lattice energy of a solid is high if

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

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

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To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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The ionic radii of $M g^{+ 2}$ and $O^{- 2}$ are 0.66 $\overset{°}{A}$ and 1.40 $\overset{°}{A}$ , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

Discuss this answer

Which of the following is an example of covalent network solid?

A. Sodium

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

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Answer 1

A.

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

Answer 2

B.

H e > C l_{2} > N H_{3}

Answer 3

C.

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

Answer 4

D.

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

Answer 5

D. None of these

Answer 6

A. unit cell

Answer 7

B. crystal lattice

Answer 8

C. micro-crystal

Answer 9

D. None of these

Answer 10

A.

\frac{E \times 64}{44}

Answer 11

B.

\frac{E \times 44}{64}

Answer 12

A. the temperature above which the substance decomposes

Answer 13

B. the temperature above which the substance can exist only as a gas

Answer 14

C. melting point of the substance

Answer 15

D. boiling point of the substanc

Answer 16

A. cubic arrangement

Answer 17

B. hexagonal dose packed arrangement

Answer 18

C. body centred arrangement

Answer 19

D. None of these

Answer 20

A. One gram equivalent

Answer 21

B. One gram atomic weight

Answer 22

C. One gram atom

Answer 23

D. One gram molecule

Answer 24

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

Answer 25

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

Answer 26

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

Answer 27

D. The number of molecules in litre of gas

Answer 28

A. a molecular solid

Answer 29

B. an ionic solid

Answer 30

C. a metallic solid

Answer 31

D. a network of covalent solid

Answer 32

A. Victor Meyer's method

Answer 33

B. Dumas' method

Answer 34

C. Cannizaro's method

Answer 35

D. None of these

Answer 36

B. 6 x

^{10^{22}}

Answer 37

C. 6 x

^{10^{23}}

approximately

Answer 38

D. 5 x

^{10^{30}}

approximately

Answer 39

A. 10 gms of calcium

Answer 40

B. 20 gms of carbon

Answer 41

C. 20 gms of calcium

Answer 42

D. 12 gms of carbon

Answer 43

A.

\frac{P_{1} V_{1}}{P_{2} V_{2}} = \frac{T_{1}}{T_{2}}

Answer 44

B.

\frac{V_{1} T_{2}}{P_{1}} = \frac{P_{2} T_{1}}{T_{2}}

Answer 45

C.

\frac{P_{1} T_{1}}{V_{1}} = \frac{P_{2} T_{2}}{V_{2}}

Answer 46

D.

\frac{V_{1} V_{2}}{T_{1} T_{2}} = P_{1} P_{2}

Answer 47

A. possess negligible volume

Answer 48

B. have forces of attraction between them

Answer 49

C. are polyatomic

Answer 50

D. are not attracted to one another

Answer 51

A. 16 litres

Answer 52

B. 36 litres

Answer 53

C. 8 litre

Answer 54

D. 32 litres

Answer 55

A. 6.41 sp. heat

Answer 56

B. 6.4/sp. heat

Answer 57

C. sp. heat/6.4

Answer 58

D. sp. heat/6.4 x 2

Answer 59

A. 4.1 x

^{10^{- 2}}

dynes

c m^{- 1}

Answer 60

B. 4.1 x

10^{3}

dynes

c m^{- 1}

Answer 61

C. 7.1 x

10^{- 3}

dynes

c m^{- 1}

Answer 62

D. None of these

Answer 63

A. the radii of the ions are large

Answer 64

B. radii of the ions are small

Answer 65

C. charge on the ions are small

Answer 66

D. the ions are neutral

Answer 67

A. vapour pressure

Answer 68

B. density

Answer 69

C.

∆ H_{v a p}

Answer 70

D. surface tension

Answer 71

A. Benjamin hypothesis

Answer 72

B. Avogadro's hypothesis

Answer 73

C. Dalton's theory

Answer 74

D. Law of atomic volume

Answer 75

A.

H_{2} + O_{2}

Answer 76

B.

N_{2} + O_{2}

Answer 77

C. NO +

O_{2}

Answer 78

D. Xe + Ar

Answer 79

A. NaCl type

Answer 80

B. CsCl type

Answer 81

C. ZnS type

Answer 82

D. Boron oxide type

Answer 83

B. Solid carbon dioxide

Answer 84

C. Sodium chloride

Answer 85

D. Silicon

Answer 86

A. pressure of a gas

Answer 87

B. temperature of the gas

Answer 88

C. volume of the gas

Answer 89

D. pressure, temperature and volume of the gas

How many moles of water are present in 180 gm. of water ?

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

Three dimensional array of points in space is called

An element has atomic weight 24 and equivalent weight 11.9. Its valency is

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

Which compound possesses greatest lattice energy?

The number of atoms per unit cell in bcc arrangement is

The critical temperature of a substance is defined as

In the wurtzite structure sulphur atoms have

22.4 litre of any gas at N.T.P. will contain

One mole of gas is defined as

Which of the following will have low heat of fusion?

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

The number of N2 molecules present in 28 nitrogen is

The vapour density of pure ozone would be

Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

Correct gas equation is

Gases deviate from the ideal behaviour because their molecules

The vol. of 20 gms of nitrogen at N.T.P.

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

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

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

Lattice energy of a solid is high if

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

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

To which of the following mixtures is the Dalton's law of partial pressures not applicable?

The ionic radii of $M g^{+ 2}$ and $O^{- 2}$ are 0.66 $\overset{°}{A}$ and 1.40 $\overset{°}{A}$ , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

Which of the following is an example of covalent network solid?

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

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How many moles of water are present in 180 gm. of water ?

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

At what temperature, the root mean square velocity of oxygen molecules is equal to that of SO2 at 27°C?

Three dimensional array of points in space is called

An element has atomic weight 24 and equivalent weight 11.9. Its valency is

The weight of 11.2 litres of CO2 at S.T.P. would be

The average kinetic energy of the molecule of SO2 (moL wt. = 64) at 27°C is E. Then the average kinetic energy of CO2 at 27°C is

Which compound possesses greatest lattice energy?

The number of atoms per unit cell in bcc arrangement is

The critical temperature of a substance is defined as

In the wurtzite structure sulphur atoms have

22.4 litre of any gas at N.T.P. will contain

One mole of gas is defined as

Which of the following will have low heat of fusion?

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

The number of N2 molecules present in 28 nitrogen is

The vapour density of pure ozone would be

Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

Correct gas equation is

Gases deviate from the ideal behaviour because their molecules

The vol. of 20 gms of nitrogen at N.T.P.

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

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

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

Lattice energy of a solid is high if

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

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

To which of the following mixtures is the Dalton's law of partial pressures not applicable?

The ionic radii of Mg+2 and O-2 are 0.66 A° and 1.40 A° , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

Which of the following is an example of covalent network solid?

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

Also checkout

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

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C 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

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

The ionic radii of $M g^{+ 2}$ and $O^{- 2}$ are 0.66 $\overset{°}{A}$ and 1.40 $\overset{°}{A}$ , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is