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element |
An element is a substance that cannot be separated into simpler substances.
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mixture |
An alloy is a mixture of metals.
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compound |
A compound is a substance that has two or more elements in it.
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reactivity |
Potassium is at the top of the reactivity series.
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metal |
A metal is a shiny element that conducts electricity.
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acid |
The acid caused corrosion.
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Base |
A Base is the chemical opposite of an acid.
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neutralisation
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A neutralisation reaction is when an acid and an alkali cancel each other out.
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indicator |
We use an indicator to tell us if our solution is an acid or a base.
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separate |
Can you separate those fighting dogs?
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* This sentence was added by a Spellzone user.
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