Question

a. H2 + Cl2 = 2HCl
b. CaCO3 = CaO + CO2
c. C + O2 = CO2
d. Zn + 2HCl = ZnCl2 + H2

( Hints : oxidation number H= +1,
Cl = -1 ,Ca = +2 , O = -2 , Zn = +2 )

some chemical equations are given above. some of them are redox reactions. find them​

Answer 1

Answer:

b

Explanation:

hope thz 1 is help 2 u....

Answer 2

Answer:

colour explanation

chemical