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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?
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?
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?
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?
Which philosopher postulated that if we keep dividing matter, we will eventually reach particles that may not divide further?
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What is the significance of Antoine L.Lavoisier's laws of chemical combination?
What is the significance of Antoine L.Lavoisier's laws of chemical combination?
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Which law states that mass can neither be created nor destroyed in a chemical reaction?
Which law states that mass can neither be created nor destroyed in a chemical reaction?
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