Seperating Mixturse Flashcards
(4 cards)
1
Q
Physical change
A
no change in particles, just the particle arrangement and energy, easy to reverse e.g. mixing water and salt
2
Q
Chemical change
A
A chemical reaction takes place and a new substance is formed, very difficult to reverse e.g. burning a match
3
Q
During a chemical reaction
A
the atoms rearrange to form a new substance. Might be seen by colour change, temperature
change, light being emitted or bubbles
4
Q
Law of conservation of mass
A
Matter can be changed from one form to another. During physical and chemical changes, there is no overall change in mass
