Question

plz exlplain this que it is very neceessary​

Answer 1

$\huge\bold\purple{ANSWER}$

Laws of constant proportion:

The law states that in a chemical substances the elements are always present in a definite proportion by mass. It is also termed as law of definite proportion.

For example, in a nitrogen dioxide (NO2) molecule, the ratio of the number of nitrogen and oxygen atoms is 1:2 but the mass ratio is 14:32 (or 7:16).

Answer 2

Answer:

law of constant proportion states that in a reaction elements are combined in a fixed ratio

eg:- Ratio of C - 3and O-8 remains same in CO2

Sodium= Na, Silver= Au

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