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Which of the following are decomposition reactions? A. CH4 (9) +202 (9) - CO2 (g) + 2H20 (9) B. N2 (9) + 3H2 (9) ► 2NH3 (9) C. CaCO3 (s) - Cao (s) + CO2 (9) D. 2H20 (1) ► 2H2 (9) + O2 (9)
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Which of the following are decomposition reactions?

A. CH4 (9) +202 (9) - CO2 (g) + 2H20 (9)
B. N2 (9) + 3H2 (9) ► 2NH3 (9)
C. CaCO3 (s) - Cao (s) + CO2 (9)
D. 2H20 (1) ► 2H2 (9) + O2 (9)

User Aksadv
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5 votes

Answer:

C and D

Step-by-step explanation:

A reaction is said to be decomposed, if the reactant is broken down to liberate single element.

User Santobedi
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