Question # 1

The repulsion of electronic clouds of the molecules are responsible for the attractive forces among the molecules. These forces are

Choose an answer

Dipole-induced dipole forces

Ion-dipole forces

Instantaneous dipole-induced dipole forces

Dipole-dipole forces

Which liquid has low boiling point with.

Choose an answer

Less intermolecular force and higher V.P

Greater intermolecular forces and low V.P

Bigger size and greater polarizability

High hydrogen bonding in it

In which , case particles are separated from each other.

Choose an answer

Fusion

Condensation

Neutralizations

Vaporization

Amorphous solids.

Choose an answer

Have sharp melting points.

Undergo clean cleavage when cut with knife

Have perfect arrangement of atoms

Can possesses small regions of orderly arrangement of atoms.

In order to mention the B.P of water at 110 ^oC the external pressure should be.

Choose an answer

Between 760 torr and 1200 torr

Between 200 torr and 760 torr

765 torr

Any value of pressure

Existence of an element in more than one crystalline form is known as.

Choose an answer

Anisotropy

Allotropy

Isomorphism

Unit cell

Ice float over water because.

Choose an answer

Its structure is diamond like

Its density is maximum at 4 ^oC

It is less dense than water

It has no regular arrangement of molecules.

Boiling point of a liquid is high when

Choose an answer

There is no hydrogen bonding

Dipole moment is zero

Inter molecular forces are weak

Hydrogen bonding is present

The molecule of CO2 in dry ice form the.

Choose an answer

Ionic crystals

Covalent crystals

Molecular crystals

Any type of crystals

When external pressure is 23.7 torr, boiling point of water is

Choose an answer

100 ^oC

200^oC

98^oC

25^oC

Long chains of amino acids are coiled about one another into a spiral by

Choose an answer

Covalent bond

Ionic bond

Hydrogen bond

Van Der Waal's forces

The distillation of liquid under reduced pressure is called.

Choose an answer

Destructive distillation

Vaccum distillation

Simple distillation

Fractional distillation

Which one of the following substances is not amorphous

Choose an answer

Polymer

Rubber

Glass

AgNO₃

Exceptionally low acidic strength of HF is due to.

Choose an answer

Strong polar bond between H and F

Smaller size of fluorine

Strong hydrogen bonding

electronegativity of fluorine

In cubic and hexagonal closest packing which layer has different arrangement.

Choose an answer

First

Second

Third

Fourth

Isomorphic crystals show

Choose an answer

Same chemical properties

Same physical properties

Same crystalline form

Same melting point

Which of the following is psuedo solid

Choose an answer

CaF2

Glass

NaCl

All

When liquid water changes to ice its volume expands. The expansion in volume is.

Choose an answer

5%

9%

10%

18%

More Classes

Other Links

Chemistry Fsc Part 1 Chapter 4 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer