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Anni [7]
3 years ago
13

A chemical reaction in which two or more substances undergo a chemical union to form a more complex substance is a _______ react

ion.
A. substitution
B. combination
C. decomposition
D. double replacement
Chemistry
2 answers:
Georgia [21]3 years ago
7 0
I believe the correct answer is B. Combination.
Andreas93 [3]3 years ago
7 0
The answer is B. combination

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