Chemistry
Which of the following is used as a rating scale to grade gasoline?
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Which element is commonly used in catalytic converters due to its properties as a reducing agent?
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What symbol appears on the periodic table for the element with the atomic number 70?
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What group of elements include lithium, sodium, potassium, rubidium, cesium, and francium?
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Which has no part in the scientific method of experimentation?
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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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What alkali metal is used in batteries and certain medicines?
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