ІІ А топ элементтері

Quiz
•
Chemistry
•
10th Grade
•
Medium
Сауле Аманова
Used 155+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Магнийдің протон, нейтрон, электрондар санын
12,12,12
12,24,24
12,12,24
24,24,24,
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Магний және кальцийдің тотығу дәрежесі
+4
-2
+2
-4
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Mg+2H2O=....
MgO+H2O
Mg(OH)2+H2
Mg+O2+H2
MgH2+O2
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
бор, әктас, мәрмәр минералдардың химиялық формуласы
Са(ОН)2 -кальций гидроксиді
СаСО3 -кальций карбонаты
СаО- кальций оксиді
Са(НСО3)2
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
кальций мен магний элементтері период жүйесінде қай топта орналасқан?
1
2
3
4
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Са(ОН)2
сөндірілмеген әк
мәрмәр
сөндірілген әк
алебастр
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
судың кермектілігін анықтайтын иондар
Са+2 Mg+2
Na+1 K+1
Na+1 Mg+2
K+1 Ca+2
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