Which one of the following reactions is categorised as a thermal decomposition reaction?
A. 2H2O (l) ⇢ 2H2 (g) + O2 (g)
B. 2AgBr(s) ⇢ 2Ag(s) + Br2 (g)
C. 2AgCl (s) ⇢ 2Ag(s) + Cl2 (g)
D. CaCO3 (s) ⇢ CaO(s) + CO2 (g)
Answer:D
Which one of the following reactions is categorised as a thermal decomposition reaction?
A. 2H2O (l) ⇢ 2H2 (g) + O2 (g) B. 2AgBr(s) ⇢ 2Ag(s) + Br2 (g) C. 2AgCl (s) ⇢ 2Ag(s) + Cl2 (g) D. CaCO3 (s) ⇢ CaO(s) + CO2 (g)