Question

balance the equations which are unbalanced​

Answer 1

First and fourth equation is balanced

4 Al + 3 O2 = 2 Al2O3

H2+I2=2HI

Answer 2

Answer:

i)S+O2--->SO2

ii)H2+I2--->2HI

iii)4Al+3O2--->2Al2O3

iv)CaCO3--->CaO+CO2

Explanation: