Question

Which postulate of Dalton’s atomic theory explains law of definite proportions?

(a) Atoms of an element do not change during a chemical reaction.

(b) An element consists of atoms having fixed mass and the number and kind of

atoms given compound is fixed.

(c) Different elements have different kind of atoms.

(d) Atoms are of various kinds.​

Answer 1

Answer:

b) An element consists of atoms having fixed mass and the number and kind of atoms given compound is fixed.

This is the postulate of Dalton's atomic theory that explains law of definite proportions.