Question

MCQ With More than one correct answer:-
Identify chemical combination reaction from the following
A. CaCO3→CaO+CO2
B. 2H2+O2→2H2O
C. C+O2→CO
D. 2Mg+O2→2MgO

Answer 1

Answer:

D is the correct option

Hope it will help you

Answer 2

D. 2Mg+O2 gives 2MgO
Reason: It is the only balanced chemical equation.