| Is Iron higher than lead in the reactivity series? |
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| Name a metal that reacts with water? |
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| What is the biggest planet in the solar system? |
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| how many moons does jupiter have? |
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| food has what energy in it? |
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| What are rocks made up of? |
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| Is nitrogen the most common gas? |
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| Is Sodium higher in the reactivity series than potassium? |
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| what do cars produce in wasted energy? |
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