Which observation most likely indicates that a physical change has taken place?(1 point)
A. A reaction occurs.
B. An odor occurs.
C. The temperature increases.
D. The process is reversible.
Why is freezing water a physical change?(1 point)
A. A temperature change occurs.
B. The new and original substances are different.
C. Heat is released during the process.
D. A phase change occurs.
Which option is an example of a chemical change?(1 point)
A. chopping vegetables
B. stretching a rubber band
C. folding paper
D. burning wood
an update
1. A reaction occurs.
2. 2 and 4
3.Only a phase change occurs.
4.burning wood
1) The process is reversible
2) 2 and 4
3) A phase change occurs
4) burning wood
I got 100% 😎
its not a test we r looking for help
1.) Which observation most likely indicates that only a chemical change has taken place?
-A reaction occurs
2.) Which changes shown in the table are physical changes?
-2 and 4
3.) Why is it a physical change to freeze water?
-Only a phase change occurs
4.) Burning wood
This is 100% correct because ik how it is when you look on here for the answer and they do not always put the right answer. So if you trust me take my answers and I promise my leg that you will get a 100!
1. The process is reversible
2. 2 and 4
3.a phase change occurs
4.burning wood
Thxxx
some one plz give awnsers
THANK YOU SO MUCH pooop I GOT 100%
Jez the "teacher" has an attitude...
ALSO Thank you POOOOP!! :>