• # question_answer 73)   If two elements can combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element, are in whole number ratio. (a) Is this statement true? (b) If yes, according to which law? (c) Give one example related to this law.

(a) The given statement is true. (b)The statement is according to the law of multiple proportion. (c)       ${{H}_{2}}O$                                       ${{H}_{2}}{{O}_{2}}$ Mass of W : Mass of 'O' Mass of W : Mass of 'O' Masses of oxygen which combine with fixed man of hydrogen are in simple multiple ratio.