state gov Kerala PSC 10th Level (Common Preliminary Examination) Mock Test Series 2025 Chemistry Structure of Atom Atomic Structure
Which statement(s) is/are CORRECT regarding Dalton’s Atomic theory?
I. All matters are made of very tiny particles.
II. Atoms of different elements have different masses and chemical properties.
III. The relative number of atoms is variable in any compound.1
Only I and II
2
Only I and III
3
Only II and III
4
All I, II and III