Who gave the ‘Law of multiple proportions’?
- A. Avogadro
- B. Gay Lussac
- C. John Dalton
- D. Joseph Proust
Answer: C. John Dalton
The law was announced (1803) by the English chemist John Dalton. In chemistry, the law of multiple proportions states that if two elements form more than one compound, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers.