
Викторина без названия
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Тантан татта
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакции, в результате которых, из одного и нескольких исходных веществ образуется одно сложное вещество
реакции соединения
реакции разложения
реакции замещения
реакции обмена
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Химическая реакция, сопровождающаяся выделением тепла, называется
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите все эндотермические реакции из списка.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Термохимическое уравнение реакции: H2(г) + 1/2O2(г) = H2O(г) + 242 кДж. Сколько водорода сгорело, если выделилась энергия, равная 60,5 кДж?
0.25 кДж
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Частицы, имеющие одинаковое электронное строение:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность серы в соединениях НS, SO, SО cоответственно равна:
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выделите формулы солей, подвергающиеся гидролизу. (несколько правильных ответов)
K2SO4
СaCl2
LiNO2
Ca3(PO4)2
Na2S
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