Question

please give the answer fast........​

Answer 1

Answer:

1)cao+h2o=ca(oh)2

2)2pb(No)3 twice=2pbO+4No2+O2

3)pb(No)3 twice +2kI = 2kNo3+pbI2

4)2feSO4 =fe2O3+SO2+SO3

5)N2O5+H2O=2HNO3

6)Zn(OH)2 + 2NaOH → Na2(Zn(OH)4)