Общая химия
Quiz
•
Chemistry
•
11th Grade
•
Hard

Julia Vishnevskaya
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите пару элементов, имеющих одинаковое число электронов на внешнем уровне
алюминий и скандий
кальций и хром
гелий и марганец
титан и кремний
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите наиболее электроотрицательный элемент из предложенных
марганец
бром
кальций
медь
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите вещество, имеющее молекулярное строение
силан
графит
кварц
поташ
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите формулу кислотного оксида
N2O
V2O3
As2O3
Cr2O3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите вещество, вступающее с кислородом в гетерогенную реакцию
азот
водород
углерод
аммиак
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите схему осуществимой реакции ионного обмена
NaNO₃ + HF → NaF + HNO₃
MgBr₂ + K₂SO₄ → MgSO₄ + KBr
AgCl + NaOH → NaCl + Ag₂O + H₂O
CH₃COOK + HCl → CH₃COOH + KCl
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какая среда у раствора соли C₁₇H₃₅COONa?
слабо щелочная
нейтральная
слабо кислая
а че в смысле
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