Сәйкестендіру сұрағы, реакцияға коэффициенттерді қою⤵️KMnO4+HCI=MnCI2+KCI+CI2+H2O

Химия типті сұрақтар

Quiz
•
Chemistry
•
8th Grade
•
Hard
Казима Але
FREE Resource
46 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2+16=2+2+5+8
2+16=2+2+5+7
7+16=2+2+5+8
2+16=2+2+5+7+7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Энергетикалық деңгейдегі электрондардың максимал санын анықтайтын формула:
N=2n5
N=2n3
N=2n2
N=2n2+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Атом ядросында 11 протон, 12 нейтрон бар элемент:
Калий
Магний
Сынап
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Хлор атомының энергетикалық деңгейіндегі электрондар орналасуының сан қатары:
2)8)8
2)8)0
2)8)7
2)8)5
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Амфотерлі элемент таңбасы:
A, Zn, F (екідайлы элементтер
AI, Zn, Fe (екідайлы элементтер)
A, Zn, Fe (екідайлы элементтер
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Оксидтерінің жалпы формуласы R2O болатын элементтер қатары:
Li, Na, K
Li, N, K
Li, Na, С
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Азот пен сутектің әрекеттесу реакциясындағы азоттың алдына қойылатын коэффициентті тап:
A, Zn, F (екідайлы элементтер)
AI, Zn, F (екідайлы элементтер)
AI, Zn, Fe (бір элементтер)
AI, Zn, Fe (екідайлы элементтер)
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