6
lesson pretestMultiple Choice

Pretest

Question 6 • Chemistry

Which type of chemical reaction occurs in 2 KClO sub 3 rightarrow 2 KCl plus 3 cap o sub 2 ?

Answer
A
single replacement
B
double replacement
C
decomposition
D
synthesis

Explanation

In this reaction, one compound, KClO₃, breaks apart to form two simpler substances: KCl and O₂. A reaction in which a single compound splits into multiple products is a decomposition reaction, so the correct choice is decomposition.

AI-written and checked against the verified answer.

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