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

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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

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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.

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4
Q

Law Of Conservation Mass

A

Matter can be changed from one form to another. During physical and chemical changes, there is no overall change in mass

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