Ancient Philosophers and Theories of Matter
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Questions and Answers

According to John Dalton's atomic theory, what is the explanation for the Law of conservation of mass?

  • Atoms are always present in definite proportions by mass in a chemical substance.
  • Atoms can be created and destroyed in a chemical reaction.
  • Atoms exist together in combinations in various forms of matter.
  • Atoms are invisible and cannot be divided further. (correct)

    • What concept did Democritus and Leucippus introduce in relation to the divisibility of matter?

  • Existence of matter in combinations
  • Law of conservation of mass
  • Particles of matter called 'atoms' (correct)
  • Laws of chemical combination

    • What did Maharishi Kanad postulate about dividing matter?

  • Particles of matter exist together in combinations.
  • Achievement of the smallest particles called 'parmanu'. (correct)
  • No more division of particles can take place.
  • Creation and destruction of mass in a chemical reaction.

    • Which philosopher postulated that if we keep dividing matter, we will eventually reach particles that may not divide further?

    <p>Maharishi Kanad</p> Signup and view all the answers

    What is the significance of Antoine L.Lavoisier's laws of chemical combination?

    <p>Experimental evidence supporting ancient philosophers' ideas</p> Signup and view all the answers

    Which law states that mass can neither be created nor destroyed in a chemical reaction?

    <p>Law of conservation of mass</p> Signup and view all the answers

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