Question

Which statement is true of a physical change?

(A) It changes the molecular structure of the substance
(B) It alters the form or appearance of a substance.
(C) It changes a substance into a different substance.
(D) More than one substance must be present.

Answer 1

Answer:

A) true

B) true

C) false

D) false

Answer 2

Answer

(À) True

(B) True

(C) False

(D) False