Question

Q. 8. () If 18 gm of pure water is electrolysed, 2 gm of hydrogen and 16 gm of oxygen is obtained.
Which law of chemical combination is illustrated by this statement?
(m) State the law of constant proportion. Illustrate with the help of an example.
(1) Which postulate of Dalton's atomic theory is the result of law of conservation of mass ?
(iv) Which point of Dalton's atomic theory came from law of constant proportions ?
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Answer 1

Explanation:

1. law of conservation of mass

2. law of constant proportion state that the composition of same element is same. for ex, if we took river water,tap water,sea water etc. the composition of it is same.

3. Atoms can neither be created nor be destroyed

4. same elements has same mass,size and properties.

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