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Which of the following are combination reactions? 1) CH4 (g) + O2 (g) → CO2 (g) + H2O (l) 2) CaO (s) + CO2 (g) → CaCO3 (s) 3) Mg (s) + O2(g) → MgO (s) 4) PbCO3 (s) → PbO (s) + C…

Which of the following are combination reactions? 1) CH4 (g) + O2 (g) → CO2 (g) + H2O (l) 2) CaO (s) + CO2 (g) → CaCO3 (s) 3) Mg (s) + O2(g) → MgO (s) 4) PbCO3 (s) → PbO (s) + C…
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Which of the following are combination reactions? 1) CH4 (g) + O2 (g) → CO2 (g) + H2O (l) 2) CaO (s) + CO2 (g) → CaCO3 (s) 3) Mg (s) + O2(g) → MgO (s) 4) PbCO3 (s) → PbO (s) + CO2 (g)

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User Bombardier
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8.8k points

1 Answer

4 votes

Answer:

2 & 3

Step-by-step explanation:

Becasue they have only 1 product

answered
User Sonoilmedico
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7.7k points
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