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Which of the following chemical reactions is an example of a combination reaction?A.Ca(s)+2HCl(aq)⟶CaCl2(aq)+H2(g)B. 2KClO3(s)⟶2KCl(s)+3O2(g)C.2H2O2(l)⟶2H2(g)+O2(g)D. 2S(s)+3O2(g)⟶2SO3(g)

Answer»

Which of the following chemical reactions is an example of a combination reaction?
A.Ca(s)+2HCl(aq)CaCl2(aq)+H2(g)
B. 2KClO3(s)2KCl(s)+3O2(g)
C.2H2O2(l)2H2(g)+O2(g)
D. 2S(s)+3O2(g)2SO3(g)



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