Multiple choice

Oxygen and carbon always combine in a 1:2 mass ratio. This is an example of which law?

  1. Law of Conservation of Mass

  2. Law of Definite Proportions

  3. Law of Definite Mass

  4. Law of Conservation of Proportions

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Law of Definite Proportions states that a given chemical compound always contains its component elements in a fixed, definite ratio by mass, regardless of the source or method of preparation.