Question

class 9
chemistry
chapter 3 atoms and molecules ​

Answer 1

3. Postulate of Dalton's atomic theory that is the result of the law of conservation of mass is "In a chemical reaction atoms are invisible particles, which can't be created or be destroyed."

4. Postulate of Dalton's atomic theory that is the result of the law of definite propotions is "Atoms combine in the ratio of small whole numbers to form compounds."

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