A substance must be heterogeneous and have a fixed composition.
Correct Answer:
Verified
Q17: Which is composed of particles with enough
Q18: Which is a scientific observation?
A)Freezing and boiling
Q19: Which has a definite volume but no
Q20: A tentative explanation of certain facts that
Q21: "Energy cannot be created nor destroyed,only transformed"
Q23: A key feature of the scientific method
Q24: "When Jill opened the bottle containing a
Q25: Chemistry has applications in all other fields
Q26: Chemistry is the science that deals with
Q27: Which is a solution?
A)air
B)liquid water
C)solid iron
D)soil
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents