
Тотығу
Authored by Айгерим Болатбеккызы
Chemistry
11th Grade
Used 7+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Берілген қосылыстардағы марганецтің тотығу дәрежелерін анықтап,
марганецтің тотығу дәрежелерінің қосындысын көрсетіңіз:
Mn(OH)2, MnO2, K2MnO4, KMnO4.
A) 21.
E) 10.
D) 15.
C) 5.
B) 19.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Азот атомының тотығу дәрежесі мен валенттілігі бірдей шамада
берілген затты анықтаңыз:
A) N2.
E) NH4Cl.
C) NH3.
B) HNO3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Элементтің валенттілігі үшке, тотығу дәрежесі нольге тең молекуланы
анықтаңыз:
B) N2.
E) O2.
D) H2S.
C) NH3.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ион түзгенде тұрақты тотығу дәрежесі тек қана +1 болатын элемент ...
B) Мыс.
.
E) Сутек
D) Калий.
C) Азот.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Тұрақты тотығу дәрежесі +2 болатын элемент ...
.A) Марганец.
.
B) Бериллий.
C) Титан.
D) Темір.
.
E) Хром.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Тотығу дәрежесі "-4" болатын элемент ...
E) Көміртек.
D) Фосфор.
.
C) Күкірт.
B) Хлор.
.
A) Азот.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Бромның мынадай қосылыстары берілген:
1. Br2; 2. HBr; 3. KBrO4; 4. KBrO; 5. KBrO3. Осылардың тотығу дәрежесінің
кему ретімен орналасуын рет нөмірлері арқылы көрсетіңіз.
A) 1 2 3 4 5.
B) 2 4 5 3 1.
C) 5 3 4 1 2.
D) 1 3 5 2 4.
E) 3 5 4 1 2.
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