After a chemical reaction,the total mass of reactants and products

When $0.32 \ g$ of sulfur is burnt in air,$224 \ mL$ of $SO_2$ is obtained at $N.T.P$. In another experiment,$SO_2$ is formed by the decomposition of a compound containing $50\%$ sulfur. The results of the given information follow the law of ......

Atoms combine in chemical reactions to form:

Which law is illustrated by compounds $H_2O$ and $H_2O_2$ formed from two different elements,$H$ and $O$?

Which of the following examples illustrates the Law of Multiple Proportions?

The statement related to the law of definite proportions is: