
Тест по химии для 9 класса 1 вариант
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Others
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9th Grade
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Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Реакция нейтрализации:
AgNO3 + NaCl = AgCl↓ + NaNO3
HCl + KOH = KCl + H2O
ZnO+ 2HCl = ZnCl2 + H2O
Na2SO4 + BaCl2 = BaSO4↓ + 2NaCl
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Вещество, в водном растворе которого метилоранж приобретает красный цвет:
аммиак
сульфат натрия
хлороводород
гидроксид калия
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Разделить смесь соли и воды можно:
выпариванием
дистилляцией
фильтрованием
действием магнита
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Электронная конфигурация 1s22s22p63s23p1 соответствует атому:
магния
алюминия
кремния
скандия
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
К щелочным металлам относятся:
Mg, K, Zn, Li
Na, Cs, Sr, Li
Li, Ca, Cs, Na
K, Na, Cs, Rb
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Одинаковый вид связи с изображенным на рисунке проявляет
хлороводород
бромоводород
бромид калия
вода
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Орбитали, имеющие сферическую форму, называют:
s-орбиталями
p-орбиталями
d-орбиталями
f-орбиталями
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