
الاكسدة و الاختزال
Quiz
•
Chemistry
•
12th Grade - University
•
Practice Problem
•
Medium
محمد المعداوي
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9 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
كل مما يلي تفاعل كيميائي عدا ..........
الاحتراق
التكوين
الذوبان
الاحلال
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
فقد الذرة الكترون أو اكثر اثناء التفاعل
أكسدة
اختزال
تعادل
احلال مزدوج
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
في التفاعل Cl 2 + 2 e- → 2Cl –حدث للكلور
أكسدة
اختزال
تعادل
احتراق
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
في المعادلة
Na + Cl2 → 2Na+ + 2Cl -
العامل المختزل...
Na
Cl2
2Na+
2Cl -
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
مادة يحدث لها اختزال وتكتسب الكترونات عامل
.......................
عامل مختزل
عامل مؤكسد
عامل محفز
عامل مساعد
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
أي التفاعلات التالية يمثل أكسدة فقط
O2 → O3
Zn++ + 2e- → Zn
Zn + Cu++ → Zn++ + Cu
2Cl- → Cl2 + 2e-
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Zn + CuSO4 → ZnSO4 + Cu
أكسدة فقط
اختزال فقط
أكسدة واختزال
لا أكسدة و لا اختزال
8.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
عدد أكسدة الكروم في K2Cr2O7
-6
-4
+6
+4
9.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
المادة التي عدد تأكسدها يساوي صفرًا
Cu2+
H2
SO3 2-
Cl-
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