Итоговая контрольная работа АНАЛИТИЧЕСКАЯ ХИМИЯ
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Other, Chemistry
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Professional Development
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Practice Problem
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Medium
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Укажите катионы IV аналитической группы:
Ag+ Pb+2 Hg2+2
AL+3 Zn+2
Ca+2 Ba+2
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Групповым реагентом на катионы III аналитической группы является:
Соляная кислота
Раствор аммиака
Серная кислота
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Не имеют группового реактива катионы:
бария
свинца
натрия
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Не окрашивают пламя спиртовки катионы:
Калия
Натрия
Аммония
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Укажите анионы III аналитической группы:
Cl- Br- I-
SO3-2 SO4-2 CO3-2
NO3- NO2- CH3COO-
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Гидроксид железа (III):
Зеленого цвета
Белого цвета
Бурого цвета
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Для получения «алюминиевого лака» используют реактивы:
раствор аммиака
хлорид алюминия
ализарин
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