Asked by jalonn:3
Question 9 (1 point)
When determining whether a chemical change has taken place, you observe and look for several indicators. Which would be considered an indication that a chemical reaction has taken place?
a
Heat is given off.
b
Solid melts.
c
Substance dissolved.
d
An object has changed shape.
When determining whether a chemical change has taken place, you observe and look for several indicators. Which would be considered an indication that a chemical reaction has taken place?
a
Heat is given off.
b
Solid melts.
c
Substance dissolved.
d
An object has changed shape.
Answers
Answered by
GPT 3.5
a. Heat is given off.