
اختبار مقنن
Authored by reyoof d
Chemistry
12th Grade

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي مما يأتي لا يعد عاملاً مختزلاً في تفاعل الأكسدة والاختزال؟
مانح الإلكترون
المادة الأقل كهروسالبية
مستقبل الإلكترون.
المادة التي تأكسدت
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
التفاعل بين النيكل وكلوريد النحاس || موضح على النحو الآتي:
Ni(s) + CuCl2(aq) → Cu(s) + NiCl(aq)
D
C
B
A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
العامل المختزل في المعادلة هو
Ni
CuC12
Cu
NiCl2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
رقم التأكسد للكلور في HCIO4 هو
+7
+1
+3
+5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
العنصر الأعلى كهروسالبية بين العناصر الآتية
F
O
N
CI
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
المادة التي عدد تأكسدها يساوي صفراً هي
Cl
SO2-3
H2
Cu²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
التفاعل بين يوديد الصوديوم والكلور موضح على النحو الآتي:
2Nal(aq) + Cl2(aq) → 2NaCl(aq) + I2(aq)
Na. أيون أحادي الذرة.
Na عنصر غير متحد.
Na لا يمكن أن يختزل
Na ايون متفرج
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