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Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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Chemistry, 22.06.2019 04:50
The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion
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Good day fellas my name is bang Chan and I’m Felix Sta...
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