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criterion B (materials (metals (calcium, zinc, magnesium, copper, iron),…
criterion B
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variables
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dependent
the reactions are the dependent variables, as well as the amount of metal.
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hypothesis
If the reactions go as planned using the different metals, then the reactivity series will be proven, where some metals will have a higher ranking opposed to others.
this hypothesis is valid as it hopefully proves that the reactivity series is correct, and therefore shows that some metals are reactive than others.
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