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Chemistry, 20.08.2019 00:30 beto66

According to the law of conservation of matter, which chemical equation represents a possible chemical reaction?
a. c + 2h2 --> ch4
b. 2h2 + o2 --> the
c. 2al2o3 --> 2nq2o
d. n2 + 3h2 --> p4o10

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