
элемент химия 6
Quiz
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Other
•
1st Grade
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Practice Problem
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Medium
Mira Seidakbar
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Марганецтің +6 жоғары тотығу дәрежесі:
<>Na2MnO4
<>KMnO4
<>МnSO4
<>Mn2O3
<>MnO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<>Ca3P2+H2O═Ca(OH) 2+Х Х- затының молекулалық массасын есептеңдер
34
15
30
25
26
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<>Фосфордың азот қышқылымен әрекеттескенде түзілетін өнімдер:
<>P+HNO3(конц)═H3PO4+5NO2+Н2О
<>P+HNO3 ═ 3H3PO4+NO2
<>P+HNO3 ═ P2O5+NO+H2O
<>P+HNO3 ═ P2O4+NO+H2O
<>P+HNO3 ═ 3H3PO4+N2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<>N2–P–As–Sb–Bi элементтер қатарында иондану энергиясы:
<>артады
<>азаяды
<>өзгермейді
<>мышьякқа дейін артады, содан кейін азаяды
<>сурьмаға дейін азаяды, содан кейін артады
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<>Cu+X→Cu(NO3) 2+2NO2↑+2H2O Реакциясындағы Х-затын анықтаңдар
<>HNO3 (конц)
<>HNO2 (сұйыл)
<>H2SO4 (конц)
<>H2SO4 (сұйыл)
<>H3PO4 (конц)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<>(NH4)2Сr2O7→N2+Х+4H2O Х-затының молекулалық масасын есептеңдер
152
134
102
133
145
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<>Мына реакция N2+H2↔ ? нәтижесінде қандай зат түзіледі?
<>Аммиак (NH3)
<>Азот (П) оксиді
<>Аммоний ионы
<>Азот қышқылы, (NH3)
<>Азот (ІІІ) оксиді, (NH3)
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