
Викторина без названия
Quiz
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Other
•
1st Grade
•
Medium
Mira Seidakbar
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Төменде берілген реакциялардың қайсысы молекулаішілік, тотығу-тотықсыздану реакцияларына жатады?
<>(NH4)2Cr2O7→N2+Cr2O3+4H2O
<>Na+N2O3→NaNO2+O2
<>Ag+HNO3→AgNO3+NO2+H2O
<>Zn +2HCl→ZnCl2+H2O
<>Cu+4HNO3→Cu(NO3)2+2NO2+2H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KMnO4 -ның негіздік ортада тотығу дәрежесі қалай өзгереді?
+6
+7
+4
+5
+1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KMnO4- ның негіздік ортадағы түсі қандай?
<>жасыл
<>Ақ тұнба
<>Қоңыр
<>Малина
<>Қызыл
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Азоттың ең жоғарғы, ең төменгі тотығу дәрежелері қанша?
<>+5, -3
<>+4, -2
<>+3, -1
<>-2, +2
<>-4, +6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
КСlO3+HCl→Cl2+KCl+H2O реакциядағы жалпы реагенттердің алдындағы коэффиценттердің қосындысы?
14
10
18
9
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
КСlO3+HCl→Cl2+KCl+H2O реакцияға дейінгі бастапқы реагенттердің алдындағы коэффиценттердің қосындысы?
7
8
15
12
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қосылыстардың қайсысында марганец тек тотықтырғыштық қасиет көрсетеді?
<>KMnO4
<>K2MnO4
<>MnO2
<>MnSO4
<>MnCl2
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