Unit Five Self-Assessment Questions.docx

A cl 2 b f 2 c h 2 d i 2 2 which of the following is

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a. Cl 2 b. F 2 c. H 2 d. I 2 2) Which of the following is a common reducing agent? a. C b. O 2 c. CO 2 d. KMnO 4 3) All the following metals are used for catalysts for reactions involving hydrogen gas except a. Aluminum b. Nickel c. Palladium d. Platinum 4) A catalyst changes the rate of a chemical reaction by a. Changing the products of a reaction b. Changing the reactants involved in the reaction c. Increasing the frequency of molecular collisions d. Lowering the activation energy Section Seven 1) The main process by which animals obtain energy from food is a. Acidification b. Cellular respiration c. Photosynthesis d. Reduction of CO 2 2) The only natural process that produces O 2 is a. Acidification of carbonates b. Photosynthesis
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Unit Five Test on March 31, 2017 c. Oxidation of CO 2 d. Reduction of metal oxide 3) In photosynthesis and cellular respiration carbon is ___ and ___ respectively. a. Reduced, reduced b. Reduced, oxidized c. Oxidized, oxidized d. Oxidized, reduced
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