
Сера
Quiz
•
Other
•
12th Grade
•
Practice Problem
•
Hard
СМИТАП | Онлайн-школа
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
C какими простыми веществами не реагирует сера?
углерод
Азот
йод
фосфор
кремний
2.
MATCH QUESTION
1 min • 4 pts
Сопоставьте следующее реагенты с продуктами их реакции
S + H2O
KOH + H2S изб
K2S + H2O
KOH изб + H2S
SO2 + H2O
H2S + O2 изб
KHS + H2O
H2S изб + O2
3.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
С чем НЕ реагирует сера?
вода
разбавленные кислоты-неокислители
растворы солей
азотная кислота
простые вещества
4.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Выберите продукты реакции: FeS + O2 =
Fe2O3
SO2
FeO
Fe3O3
H2S
5.
CATEGORIZE QUESTION
3 mins • 8 pts
Распределите сульфиды по группам
Groups:
(a) Сульфиды, нерастворимые в кислотах
,
(b) Растворимые в кислотах сульфиды
Cr2S3
Al2S3
Ag2S
PbS
HgS
Na2S
FeS
CuS
6.
DROPDOWN QUESTION
1 min • 1 pt
Продукты реакции KI + H2SO4 конц (a)
7.
DROPDOWN QUESTION
1 min • 1 pt
Выберите реагенты, чтобы получить такие продукты: x+y+z ( (a) ) = S + KCl + H2O
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