Q. Match Column-I with Column-II.
Column I (Laws of chemical combinations) Column II (Scientist)
A Law of definite proportions p Antoine Lavoisier
B Law of multiple proportions q Gay Lussac
C Law of conservation of mass r Dalton
D Law of gaseous volumes s Joseph Proust

 811  140 Some Basic Concepts of Chemistry Report Error

Solution:

Correct answer is (a)