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CBSE
Class 9
Science
Exploration
Atomic Foundations of Matter
Question Bank

Which of Dalton's postulates m...

Single Answer MCQ
Q-00172177

Which of Dalton's postulates most directly relates to fixed proportions in compounds?

1

Atoms of an element have identical mass.

2

The relative number of atoms in a compound is constant.

3

Atoms cannot be created or destroyed.

4

Different elements have different properties.

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