Q. 55.0( 1 Vote )

Write true or false for the following statements:

In a chemical substance, the elements are always present in varying proportions by mass.

Answer :

False

According to the postulates of Dalton’s atomic theory atoms of different elements combine in fixed ratios by mass to form compounds. So, in chemical substance, the elements are always present in fixed proportions by mass.


Hence, the above statement is false.


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