математическое выражение 1 го начала термодинамики

химия 134-200

Quiz
•
Dilnaz Muratbekova
•
Physical Ed
•
University
•
3 plays
•
Medium
53 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q=U+A
Q=A-U
Q=U+V
Q=U*V
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фактор эквивалентности (fэ) равен 1/6 :
Al(OH)3
Na3PO4
Fe2(SO4)3
CaCl2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Самая неустойчивая кислота среди хлорных кислот
HClO4
HClO
HClO3
HClO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В этом соединении Ca(BrO3)2 степень окисления брома равна:
-1
+5
+3
+7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите ряд микроэлементов:
Cu, Mo, Co, Cr, F, BR, I
Hg, Au, Ra, Se, Co, V, As
Cu, Mo, Co, Hg, Au, Ra
F, Br, I, Au, Ra, Se
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Биогенные элементы - ...
солеобразующие элементы
продукты реакции обмена
имеет биологическую роль
химически активные
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула катионного комплекса
Ca[Al(OH)5H2O]
[Cr(CNS)2H2O(NH3)3]Br
Ca[Al(OH)5H2O]
[PtCI3(NH3)3]
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