
2- топ элементтері
Authored by nursulu serikbaeva
Chemistry
9th Grade
Used 24+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2-топ элементтерінің атауы қандай?
Сілтілік металдар
Сілтілік жер металдар
Галогендер
Бейметалдар
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кальций оксидінің (CaO) басқа атауы қандай?
Бор
Гипс
Әк тас
Сөндірілмеген әк
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кальций табиғатта ең көп кездесетін қосылыстарының бірі?
MgSO₄
NaCl
Al₂O₃
CaCO₃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кальцийдің сумен әрекеттесуі нәтижесінде не түзіледі?
Ca(OH)₂ + H₂
CaCl₂ + H₂
CaO + H₂O
D) Ca + H₂
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кальцийдің қышқылмен әрекеттесу реакциясының теңдеуін таңдаңыз.
Ca + H₂O → Ca(OH)₂ + H₂
Ca + HCl → CaCl₂ + H₂
CaO + H₂O → Ca(OH)₂
CaCO₃ → CaO + CO₂
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кальцийдің табиғатта негізгі көзі болып табылатын қосылыс?
Мәрмәр
Фосфорит
Калий хлориді
Натрий сульфаты
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2-топ элементтерінің оксидтерінің сумен әрекеттесуінің жалпы теңдеуін көрсетіңіз.
Me₂O + H₂O → 2MeOH
MeO + H₂O → Me(OH)₂
MeO + H₂O → H₂ + MeO₂
MeO + H₂O → MeH₂ + O₂
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