Chemistry
What symbol appears on the periodic table for the element with the atomic number 70?
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What is the unit defined as the energy needed to raise one gram of water by 1 degree Celsius?
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Which of these chemicals is often used to reduce phosphates in water?
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The Statue of Liberty is made of an iron frame with a sheet of what other metal hung over it?
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Which chemical, also used in thermometers, was involved in early photo development?
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How many more times acidic is a solution of pOH 5 than a solution of pH 5?
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