Liquids And Solids test 5

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A test from chapter 4 i.e Liquids and Solids of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. Ionic solids are characterized by

A) low melting points
B) good conductivity in solid state
C) high vapour preessure
D) solubility in polar sovents

2. Amorphous solids

A) have sharp melting points
B) undergo clean cleavage when cut with knife
C) have perfect arrangements of atoms
D) can presses small regions of orderly arrangements of atoms

3. The force of attraction between the atoms of helium is

A) hydrogen bonding
B) coordinate covelent bond
C) covalent bond
D) london dispersion force

4. Which of the following is a pseudo-solid

A) CaF2
B) Glass
C) NaCl
D) All

5. Diamond is a bad conductor because

A) It has a tight structure
B) It has a tight desity
C) There is no free electron present in the crystal of diamond to conduct electricity
D) none

6. Values of heat of vaporization for liquids, with strong dipole–dipole forces will be

A) very high
B) very low
C) resonably high
D) negligible

7. The weakest intermolecular for a

A) dipole–dipole force
B) electrostatic force between ions
C) ion dipole force
D) dipole induced dipole force

8. In liquids intermolecular forces are

A) very weak
B) very strong
C) reasonably strong
D) ion-dipole force

9. Instantaneous dipole–induced dipole force is also called

A) dipole force
B) london dispersion
C) hydrogen bonding
D) none

10. Down the group polarizability generally

A) increases
B) decreases
C) remains constant
D) do not follow a regular trend