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Q: Dalton's theory was based on which rule?
  • A. Fixed ratio
  • B. Chemical combination
  • C. Conservation of momentum
  • D. Mass conservation
Correct Answer: Option B - Dalton's atomic theory is based on the law of chemical combination. According to Dalton's atomic theory, "all Matter, whether an element, a compound or a mixture, is made up of microscopic particles called atoms." According to Dalton's atomic theory, an atom is an inseparable particle of matter.
B. Dalton's atomic theory is based on the law of chemical combination. According to Dalton's atomic theory, "all Matter, whether an element, a compound or a mixture, is made up of microscopic particles called atoms." According to Dalton's atomic theory, an atom is an inseparable particle of matter.

Explanations:

Dalton's atomic theory is based on the law of chemical combination. According to Dalton's atomic theory, "all Matter, whether an element, a compound or a mixture, is made up of microscopic particles called atoms." According to Dalton's atomic theory, an atom is an inseparable particle of matter.