Dalton's Atomic Theory

Author:Dr. Pankaj Rai
9th CBSE
IMPORTANT

Dalton's Atomic Theory: Overview

This topic focuses on Dalton's atomic theory. It gives a brief description of the postulates, merits, and demerits of Dalton's atomic theory. It gives the explanation of laws of chemical combination by Dalton's atomic theory.

Important Questions on Dalton's Atomic Theory

HARD
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 1

What are the postulates of Dalton's atomic theory ? What are the drawbacks of this theory or how has this theory been modified ?

EASY
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 2

Dalton's atomic theory says that atoms are indivisible, Is this statement still valid? Give reason in support of your answer.

HARD
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 3

List the drawbacks of Dalton's atomic theory.

MEDIUM
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 4

Dalton's atomic theory postulated that 'Atoms combine in simple whole-number ratio'. What are the postulates of modified Dalton's atomic theory?

MEDIUM
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 5

State various postulates of Dalton's atomic theory of matter.

MEDIUM
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 6

Give one major drawback of Dalton's atomic theory of matter.

MEDIUM
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 7

Which postulate of Dalton's atomic theory can explain the law of constant proportion?

EASY
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 8

Which postulate of Dalton's atomic theory can explain the law of conservation of mass?

EASY
IMPORTANT
Chemistry for Class IX>Atoms and Molecules>Dalton's Atomic Theory> Q 9

Name the scientist who gave the atomic theory of matter. (John Dalton/ Ernest Rutherford)