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Which one of the following is a kind of combination reaction?
Science
Chemical Reactions and Equations
Question
Updated
19 Aug 2026
Which one of the following is a kind of combination reaction?
A
Choose Your Answer
A
4Na(s) + O 2 (g) → 2Na 2 O(s)
B
CuO(s)+ H 2 (g) → Cu(s) + H 2 O
C
ZnO(s) + C(s) → Zn(s) + CO(g)
D
None of above
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