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Question

The concept of atom based on experimental observation first came from:

A
Dalton's atomic theory
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B
Law of conservation of mass
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C
Law of mass theory
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D
Law of chemical combination
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Solution

The correct option is A Dalton's atomic theory
  • Atomic theory is a scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms.Although philosophers like Democritus had earlier put forward this idea, Dalton was the first to base the theory on experimental observations.

  • Law of conservation of mass and law of chemical combination can be explained by Dalton's theory.

  • Option C, law of mass theory does not exist.

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