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Chemistry, 23.06.2019 07:10
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
Answers: 3
Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
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Chemistry, 23.06.2019 11:30
Which part of the healthcare system could best explain how a pharmaceutical drug works
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Fe + HNO₃ -> Fe(NO₃)2 + H₂...
Mathematics, 04.04.2020 00:48
Mathematics, 04.04.2020 00:49