Choose the incorrect statement about Dalton's Atomic Theory.

Question

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Dalton's Atomic Theory states compounds form when atoms combine in a fixed ratio — not any ratio.

Step 1: Evaluate each option:
- (1) ✓ Correct — reactions involve reorganisation of atoms.
- (2) ✓ Correct — atoms are indivisible (Dalton's postulate).
- (3) ✗ Incorrect — Dalton said atoms combine in fixed ratios, not any ratio.
- (4) ✓ Correct — all atoms of an element are identical in mass and properties.

Answer: Option (3)

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