
Химия. 9 класс. Вариант 9
Quiz
•
Chemistry
•
5th Grade
•
Hard
Assel Tolegen
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Реакция нейтрализации
HCl + NaOH = NaCl + H2O
CaCO3 = CaO + CO2↑
CuSO4 + 2NaOH → Cu(OH)2↓+ Na2SO4
FeO + 2HCl = FeCl2 + H2O
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Вещество, в водном растворе которого лакмус приобретает синий цвет:
аммиак
бромид натрия
хлороводород
сульфат калия
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Разделить смесь песка и древесных опилок можно:
выпариванием
дистилляцией
фильтрованием
отстаиванием
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Электронная конфигурация 1s22s22p63s23p2 соответствует атому:
магния
алюминия
кремния
скандия
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
К щелочным металлам относятся:
Mg, Са, Ba, Sr
Са, Cs, Sr, Li
Ba, Ca, Cs, Na
K, Na, Cs, Rb
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Одинаковый вид связи с изображенным на рисунке проявляет
хлороводород
бромид калия
бромоводород
вода
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Орбитали, имеющие сферическую форму, называют:
s-орбиталями
p-орбиталями
d-орбиталями
f-орбиталями
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