РЕАГИРУЮЩИЕ ВЕЩЕСТВА

                                                 ПРОДУКТЫ ВЗАИМОДЕЙСТВИЯ

А) Mg(OH)2 + HNO2 →

                                                        1) MgSO4 + H2

Б) Mg(OH)2 + HNO3 →

                                                         2) MgSO4 + H2O

B) Mg(OH)2 + H2SO4 →

                                                       3) MgSO3 + H2

Г) Mg(OH)2 + H2SO3 →

                                                         4) MgSO3 + H2O

 

                                                            5) Mg(NO2)2 + H2O

 

                                                             6) Mg(NO3)2 + H2O

Решение:

Все реакции ионного обмена.

А) 5

Б) 6

В) 2

Г) 4