Chemical reactions

Descripción

Claire Barcock
sbarclay
Mapa Mental por sbarclay, actualizado hace más de 1 año
sbarclay
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Resumen del Recurso

Chemical reactions
  1. A Chemical Reaction or Change is when 2 substances react together
    1. New substance is always made!!!
    2. Physical
      1. There is a change of state or shape
        1. Substance has the same properties as before
        2. Chemical
          1. 1+ substances created
            1. New substance has different properties
              1. Difficult to reverse
                1. Whenever a chemical change takes place there must be a chemical reaction
                2. Signs of a chemical reaction
                  1. Bubbling/fizzing
                    1. Precipitate/solid formed
                      1. Smell (gas formed)
                        1. colour change
                          1. Temperature change
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