Which of the following are decomposition reactions?
1. CH₄ (g) + O₂ (g) $\rightarrow$ CO₂ (g) + H₂O (l)
2. CaO (s) + CO₂(g) $\rightarrow$ CaCO₃ (s)
3. Mg (s) + O₂(g) $\rightarrow$ MgO (s)
4. PbCO₃ (s) $\rightarrow$ PbO (s) + CO₂ (g)

Name: Which of the following are decomposition reactions? 1. CH 4 (g) + O 2 (g) $\rightarrow$ CO 2 (g) + H 2 O (l) 2. CaO (s) + CO 2 (g) $\rightarrow$CaCO 3 (s) 3. Mg (s) + O 2 (g) $\rightarrow$ MgO (s) 4. PbCO 3 (s) $\rightarrow$ PbO (s) + CO 2 (g) A) 1, 2, and 3 B) 4 only C) 1, 2, 3, and 4 D) 2 and 3 E) 2, 3, and 4
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Question

Which of the following are decomposition reactions?
1. CH₄ (g) + O₂ (g)

\rightarrow

CO₂ (g) + H₂O (l)
2. CaO (s) + CO₂(g)

\rightarrow

CaCO₃ (s)
3. Mg (s) + O₂(g)

\rightarrow

MgO (s)
4. PbCO₃ (s)

\rightarrow

PbO (s) + CO₂ (g)

Quizplus · Accepted Answer

The Answer is B

Which of the Following Are Decomposition Reactions? 1 →\rightarrow→ CO2 (G) + H2O (L) 2

Which of the Following Are Decomposition Reactions?
1 $\rightarrow$ CO₂ (G) + H₂O (L)
2