
химия
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
Amina F
Used 25+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HNO3+Cu=Cu(NO3)2+NO2+H2O реакцияны теңестіріп,жалпы коэффицент қосындысын анықтаңыз
8
10
9
11
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2SO3 күкірттің тотығу дәрежесін анықтаңыз
-2
+6
+2
+4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Құрамында 35% қоспасы бар 150г әктасты термиялық өңдегенде түзілетін газ көлемі
23
13,4
21,84
19,76
4.
OPEN ENDED QUESTION
3 mins • 1 pt
200г ізбестасты қыздырғанда 58г көмірқышқыл газы түзілді.Ерітіндідегі кальций карбонатының массалық үлесі?
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5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Иондық теңдеу болу үшін реакция өнімінде ... түзілу керек
тұнба
оттегі
газ
қышқыл
су
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2H3PO4+3Na2CO3=2Na3PO4+3CO2+3H2O қысқартылған иондық теңдеудің коэффиценттер қосындысын тап
22
4
15
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
массасы 12,25г бертолле тұзы айырылғанда бөлінетін оттектің зат мөлшерін есептеңіз
1,66
0,225
0,45
0,89
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