
Химия. 9 класс 6 вариант
Quiz
•
Others
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакция нейтрализации:
3FeCl2+2Na3PO4= Fe3(PO4)2 +6NaCl
CuO+ 2HCl = CuCl2 + H2O
H2SO4 + 2KOH = K2SO4 + 2H2O
Na2SO4 + BaCl2 = BaSO4 + 2NaCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вещество, в водном растворе которого лакмус приобретает красный цвет:
аммиак
сульфат натрия
хлороводород
хлорид калия
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разделить смесь глины и воды можно:
выпариванием
дистилляцией
фильтрованием
действием магнита
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электронная конфигурация 1s22s22p63s23p64s2 соответствует атому:
алюминия
магния
скандия
кальция
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К галогенам относятся:
Cl, S, Br, O
I, Cl, Br, F
F, N, C, S
Cl, At, C, I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Соединением с ионным типом связи является:
углекислый газ
водород
хлорид калия
вода
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На s- и р-подуровнях может располагаться:
2 и 10 электронов
6 и 10 электронов
2 и 6 электронов
10 и 14 электронов
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