Question

ДАЮ 100 БАЛЛОВ
!!СРОЧНО!!

Answer 1

1-в

2-г

3-4

4-SO2

5-B2O3. Fe2O3. SO2. CaO

6-в

7-

a)Na2O+H2O=2NaOH

б)2Al+Fe2O3=2Fe+Al2O3

в)BaO+H2O=Ba(OH)2

г)2PbS+3O2=2PbO+2SO2

8-

K2O+H2O=2KOH

N2O5+H2O=2HNO3

BaO+H2O=Ba(OH)2

9-13.3%

10-30.45%