18. (98-11-27) Quyidagi reaksiyaning chap tomonidagi koeffitsiyentlar yigindisi nechaga teng? Mn304 + KCI03 + K2C03 ->
-> K2Mn04 + KCI + co2
A) 13 B)15 C)17
D) 21
E) 23
18. (98-11-27) Quyidagi reaksiyaning chap tomonidagi koeffitsiyentlar yigindisi nechaga teng? Mn304 + KCI03 + K2C03 ->
-> K2Mn04 + KCI + co2
A) 13 B)15 C)17
D) 21
E) 23
Ответ: |
Сборник: Kimyo
Параграф:
51.2. OQR-lardagi koeffitsiyentlarni qo'yish
DTM тестирование онлайн | DTM test online