Which Is Not Generally Considered to Be a Chemical Reaction

question 54

Multiple Choice

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)

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