Q. Consider the following statements:
1.The law of conservation of mass was put forth by Antoine Lavoisier.
2.The law of definite proportion was given by, a French chemist, Joseph Proust.
Which of the statements given above is/are correct?
Answer: C
Notes:
Explanation: Law of Conservation of Mass: This law was put forth by Antoine Lavoisier in 1789. He performed careful experimental studies for combustion reactions and reached the conclusion that in all physical and chemical changes, there is no net change in mass duting the process.
Law of Definite Proportions: This law was given by, a French chemist, Joseph Proust. He stated that a given compound always contains exactly the same proportion of elements by weight.
Source: NCERT
