
2 топ элементтері
Quiz
•
Chemistry
•
University
•
Hard
Акерке Бердимурат
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Әкті сөндіру" химиялық реакция түрі
CaO + H2O → Ca(OH)2
экзотермиялық
жану
энзотермиялық
алмасу
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Магний ионының электрондық конфигурациясы
1S2 2S2 2P6 3S2
1S2 2S2 2P4 3S2
1S2 2S2 2P6
1S2 2S2 2P5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Магний сульфатын алу теңдеуі
4Mg+ 10HNO3 =4(MgNO3) 2+ N2O +5H2O
MgO +CO2 =MgCO3
2Mg + SiO2 =4MgO +S
Mg+ H2SO4 =MgSO4 +H2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ағартқыш және залалсыздандырғыш ретінде қолданылатын зат
MgCl2
CaOCl2
CaSO4*2H2O
MgSO4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сілтілік жер металдары қатты күйде болу себебі?
сутектік байланыс
металдық байланыс
коваленттік байланыс
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Екінші топ элементтерінің бәріне тән негізгі сипаттамасы қандай?
Сынғыш, металл емес элементтер
Тығыз, қара металдар
Реактивті, сарғыш металдар
Жылтыр, күмістей ақ металдар
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Гипс формуласын көрсетіңіз
CaSO₄·2H₂O
Ca(PO3)2
Ca(ClO)2·2H₂O
Ca3Sі2O7
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