1.

Which of the following postulate is incorrect regarding Dalton's Atomic Theory?

Answer»

Atoms areindivisible and indestructible
All the atoms of an element are not identical to each other. They have different MASSES and sizes
The RELATIVE numbers and KIND of atoms are always the same in a given compound
Chemical reactions only rearrange the WAY in which atoms are COMBINED , the atoms themselves are not changed

Answer :B


Discussion

No Comment Found