Chemical reactions

sbarclay
Mind Map by , created over 5 years ago

Claire Barcock

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sbarclay
Created by sbarclay over 5 years ago
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Chemical reactions
1 A Chemical Reaction or Change is when 2 substances react together
1.1 New substance is always made!!!
2 Physical
2.1 There is a change of state or shape
2.2 Substance has the same properties as before
3 Chemical
3.1 1+ substances created
3.2 New substance has different properties
3.3 Difficult to reverse
3.4 Whenever a chemical change takes place there must be a chemical reaction
4 Signs of a chemical reaction
4.1 Bubbling/fizzing
4.2 Precipitate/solid formed
4.3 Smell (gas formed)
4.4 colour change
4.5 Temperature change

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