Separating Mixtures Flashcards
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
5
Q
A
K
