Chemistry
What major chemical other than chlorine is used to purify water of microorganisms?
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What property is a measurement of how hot or cold something is?
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What is the fifth most abundant element in the universe after hydrogen, helium, oxygen and carbon?
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What noble gas has the lowest melting and boiling points of all the elements?
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Which is a chemical often injected into lips for plastic surgery?
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What is adherence between materials such as bricks/mortar?
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What alloy is made of copper and zinc and used for decoration for its bright gold-like appearance?
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Lutetium on the periodic table is noted by which symbol?
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