
Тест по химии для 9 класса
Authored by Assel Tolegen
Chemistry
5th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Реакция нейтрализации:
3MgCl2 +2K3PO4 = Mg3(PO4)2 +6KCl
H3PO4+ 3NaOH = Na3PO4 + 3H2O
CuSO4 + BaCl2 = BaSO4 + CuCl2
FeO+ 2HCl = FeCl2 + H2O
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Вещество, в водном растворе которого метилоранж приобретает розовый цвет:
хлорид натрия
бромоводород
аммиак
гидроксид калия
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Разделить смесь спирта и воды можно:
дистилляцией
выпариванием
фильтрованием
отстаиванием
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Электронная конфигурация 1s22s22p63s23p64s2 соответствует атому:
калия
магния
скандия
кальция
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
К щелочным металлам относятся:
Mg, K, Li, Zn
Na, Cs, Sr, Li
K, Na, Li, Cs
Ca, Cs, Na, Rb
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Соединением с ковалентной полярной связью является:
вода
сульфат магния
бромид калия
кислород
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Орбитали, имеющие сферическую форму, называют:
d-орбиталями
p-орбиталями
s-орбиталями
f-орбиталями
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