Which of these represents a chemical change?
A) two compounds combining to form a mixture
B) a mixture being separated into two elements
C) a compound being separated into two elements
D) an element changing state from solid to liquid
2 answers
The word "compound" is a dead giveaway.
the answer is C) A compound being separated into two elements.
Explanation A compound being separated into two elements is an example of a chemical change. A chemical change, by definition, new substances are formed. change of state is physical as is forming or separating a mixture
Explanation A compound being separated into two elements is an example of a chemical change. A chemical change, by definition, new substances are formed. change of state is physical as is forming or separating a mixture
1 answer