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My Answered Questions
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what is it called when you add oxygen to magnesium
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what is an indcator
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what the definition of neutralise
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what is it called when ice turn to gas
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name 3 of the most reactive metals to water
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is there other things e.g. humans or animals in other planets?
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what is a pH scale
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do kill whales eat people
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how many people in the UK
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what is a root hair cell