The concept that the quantity of a substance is not altered by reversible changes in its appearance is known as ________.
A) reactivity
B) synergy
C) conservation
D) object permanence

Question

Quizplus · Accepted Answer

The concept that the quantity of a substance is conserved (i.e. remains the same) during reversible changes in its appearance is known as conservation of mass. This concept is a fundamental principle of chemistry and is also known as the law of mass conservation. Choices A, B, and D are not directly related to this concept.

The Concept That the Quantity of a Substance Is Not