ECAT Chemistry Chapter 4 Liquids & Solids

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  • Chapter NameCh 4.Liquids and Solids

ECAT Chemistry Chapter 4 Liquids & Solids

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ECAT Chemistry Chapter 4 Liquids & Solids

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Question # 1

Debye forces are present in one of the following pairs

Question # 2

Which of the following liquids has low vapor pressure at 25°C:

Question # 3

The strongest forces are:

Question # 4

Rate of evaporation and rate of condensation at equilibrium

Question # 5

The gases can be converted into liquids by:

Question # 6

Which of the following liquids has low vapour pressure at 25°C:

Question # 7

The density of water decreases, when it is freezed at 0oC because of

Question # 8

The inter-molecular forces in liquids are:

Question # 9

London dispersion forces are also called:

Question # 10

The molecules of CO2 in dry ice from the :

Question # 11

Which of the following is a pseudo solid

Question # 12

The intermolecular forces in liquids are

Question # 13

Hydrocarbon molecules with large chain lengths experience

Question # 14

Hydrogen bonding is present between the molecules of

Question # 15

Force of attraction b/w atoms of He is :

Question # 16

The only forces are London dispersion forces among the

Question # 17

Hydrogen bonding is present in one of the following pairs:

Question # 18

The gases can be converted into liquids by

Question # 19

H2S is a gas while H2O is a liquid at room temperature. It is due to:

Question # 20

]Which of the following is a pseudo solid?

Question # 21

The density of water decreases, When it is freezed at 0°C

Question # 22

Which one of the following is the weakest intermolecular force

Question # 23

Debye forces are present in on of the following pairs:

Question # 24

Polypeptide chains are coiled about one another into a spiral by

Question # 25

Rate of evaporation and rate of condensation at equilibrium:

Question # 26

The boiling point of NH3 is maximum among the hydrides of group V elementsdue to:

Question # 27

Diamond is a bad conductor because:

Question # 28

At sea level and at 100°C the vapor pressure of water in an open system is:

Question # 29

At sea level and at 1000C the vapour pressure of water in an open system is

Question # 30

HF has exceptionally low acidic strength due to:

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