Kinetic Molecular Theory of Matter

Question 1

Kinetic Molecular Theory can be used to explain both _________ and _________ Laws.

Answer 1

Charles’ ; Boyle’s

Question 2

The average K.E of a collection of gas particles is directly proportional to _______________.

Answer 2

absolute temperature

Question 3

Matter basically exists in ___ states -

Answer 3

3 ; solid, liquid, gas

Question 4

The basic units of matter are _______.

Answer 4

molecules

Question 5

The 3 states of matter differ with respect to _________ _____________.

Answer 5

molecular arrangement

Question 6

Pattern of molecular arrangement brings about a change in _________ ______________ of the substances in their states.

Answer 6

physical arrangement

Question 7

The various characteristics of matter which determine its physical behavior are shown in the _______________.

Answer 7

kinetic molecular theory of matter

Question 8

Kinetic molecular theory states that -

Answer 8

Molecules have an energy of motion [K.E] that depends on temperature.

Question 9

Who developed the kinetic theory of heat?

Answer 9

Rudolf Clausius

Question 10

Kinetic theory of heat -

Answer 10

It relates energy in form of heat to the kinetic energy of molecules.

Question 11

Postulates of kinetic molecular theory of matter :-

Answer 11

1] Matter is composed of small, tiny particles called molecules
2] The empty spaces between molecules are called intermolecular spaces
3] Molecules have forces of attraction between them known as intermolecular forces of attraction
4] The molecules possess kinetic energy due to their ceaseless motion

Question 12

The force of attraction between similar molecules -

Answer 12

Cohesive force

Question 13

The force of attraction between dissimilar molecules-

Answer 13

Adhesive force