Question

11. during a phase change, a substance undergoes a(n)
a. reversible change from one state to another.
b. irreversible change from one state to another.
c. reversible change to a different substance.
d. irreversible change to a different substance.
o a
o b
o c
o d

Explanation:

Phase - change is a physical change where a substance changes from one state (solid, liquid, gas) to another. It is a reversible process and the substance remains the same chemically. For example, ice (solid water) can melt to form liquid water and liquid water can freeze back to ice.

Answer:

A. reversible change from one state to another