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What process uses a set of skills to answer questions or to test ideas about the natural world
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Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4
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Chemistry, 23.06.2019 07:30
To separate a mixture of hard candies nd marbles the most efficient method would be
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What process uses a set of skills to answer questions or to test ideas about the natural world...
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