Предмет: Химия, автор: oksanasablina

Приведён ряд веществ: Cu, Ca, KOH, SrO, K2CO3, H2SO4, CO2. Укажи количество возможных реакций с участием соляной кислоты.


oksanasablina: 4 djn jndtn
oksanasablina: 4 это и есть ответ
Аноним: da

Ответы

Автор ответа: Аноним
4

Ca+2HCl→CaCl2+H2↑

KOH+HCl→KCl+H2O

SrO+2HCl→SrCl2+H2O

K2CO3+HCl→KCl+CO2↑+H2O

Cu, H2SO4 , CO2 не взаимодействуёт с HCl

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