Question

Identify the balanced chemical equation from the following equations. *

(a) CaCO3 + 2HCl----->CaCl2 + H2O + CO2
(b) MnO2 + 4Al ------> 3Mn + 2Al2O3
(c) Mg + O2------->2MgO
(d) AgBr------->2Ag + Br2

Answer 1

Answer:

option 3

Explanation:

option 3 is the right answer