1.
Amongst the following statements, select the set having statements which was proposed by Dalton.

(1) All the atoms of a given element have identical properties including identical mass. Atoms of different elements differ in mass.

(2) When gases combine or reproduced in a chemical reaction they do so in a simple ratio by volume provided all gases are at the same T & P

(3) Chemical reactions involve reorganization of atoms. These are neither created nor destroyed in a chemical reaction.

(4) Matter consists of indivisible atoms