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A chemical reaction in which two or more substances undergo a chemical union to form a more complex substance is a _______ reaction. A. substitution B. double replacement C. combination D. decomposition
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A chemical reaction in which two or more substances undergo a chemical union to form a more complex

substance is a _______ reaction.
A. substitution
B. double replacement
C. combination
D. decomposition

User Sandra Schlichting
by
7.2k points

2 Answers

5 votes
combination reaction
User Vdep
by
7.0k points
1 vote
Combination, it's called synthesis.
User Destiny Dawn
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6.5k points
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