Question
What happens to the particles in a liquid when you heat it up?
a
They move faster and spread apart.
b
They become much smaller and take up less space.
c
They become much larger and take up more space.
d
They move slower and become more dense.
a
They move faster and spread apart.
b
They become much smaller and take up less space.
c
They become much larger and take up more space.
d
They move slower and become more dense.
Answers
Answer
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
Substance dissolved.
b
Solid melts.
c
An object has changed shape.
d
Heat is given off.
a
Substance dissolved.
b
Solid melts.
c
An object has changed shape.
d
Heat is given off.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.