chem Flashcards
1
Q
what is chemistry?
A
Chemistry is a branch of science that deals with the study of matter, its composition, properties, structure and the changes it undergoes.
2
Q
what are physical changes?
A
Physical changes doesn’t have a substance. Matter changes form not chemical identity
3
Q
What are chemical changes?
A
Chemical changes has lots of substance. Chemical reaction occurs, new products are formed.