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Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity
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Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
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Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
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Which of the following words describe the reality that the universe looks the same from various perspective
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What is the density of a cube that has a mass of 25 grams and a volume of 125cm...
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