Which of the following represents a physical change?
A) stretching a silver wire
B) tarnishing of silver
C) both a and b
D) neither a nor b

Question

Quizplus · Accepted Answer

Stretching a silver wire is a physical change because the composition of the silver does not change, only its shape and size are altered. Tarnishing of silver, on the other hand, is a chemical change as it involves a chemical reaction that changes the composition of the silver.

Which of the Following Represents a Physical Change