Chemistry

What is the fourth most abundant element in the universe by mass?

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The ignition of materials stored in bulk is?
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What is added to salt to prevent thyroid disease?
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What are chemicals made from oil called?
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What is adherence between materials such as bricks/mortar?
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What is often used in advertising signs and produces a bright reddish-orange light?
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What is a chemical or physical agent that tends to cause cancers?
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What compounds that are soluble in water are classed as bases?
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What is the final product of the Uranium 238 decay chain?
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