Предмет: Химия, автор: eleonoramarchenko11

3 якою речовиною реагують луги: A) H2 Б)H2SO4 В)02 Г) BaSO4​

Ответы

Автор ответа: m1m210
1

Ответ:

Б и Г

Объяснение:

Щелочи не реагируют с H2, O2, N2, C и инертные газы ⇒ А и В не подходят.

H2SO4 (конц. холодный р-р)+ NaOH → NaHSO4 + H2O

H2SO4 (разб. р-р)+ 2NaOH → Na2SO4 + 2H2O

2BaSO4 + 2NaOH (конц. холодный р-р)⇄ (BaOH)2SO4 + Na2SO4

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