Q20- Mention two postulates of Daltons atomic theory that explain
(a) Law of conservation of mass. (b) Law of constant proportion
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Mention the two postulates of Dalton's Atomic Theory that explain: (a) Law of Conservation of Mass (b)Law of Constant Proportions. (a)Atoms are indivisible particles which cannot be created noi destroyed in a chemical reaction. (b) Atomscombine in the ratio of small whole numbers to form compounds.
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(a) atoms can neither be created nor be destroyed in physical or chemical change
( b ) atoms are combine in small whole number to form a compound
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