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Question
Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium?
A) Ca(s) + Cl2(g) -> CaCl2(s)
B) 2 Ca(s) + 2 H2O(l) ->2 Ca(OH)2(aq) + H2(g)
C) 6 Ca(s) + 2 N2(g) -> 2 Ca3N2(s)
D) Ca(s) + O2(g) -> CaO2(s)
Answer
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