اختبار كيمياء

Quiz
•
Chemistry
•
12th Grade
•
Medium

wafa al-anezi
Used 163+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cl2 + 2e- → 2Cl-
أكسدة
اختزال
تعادل
لم يحدث شيء
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
يحدث الاختزال عند قطب ...
الكاثود
الأنود
القنطرة الملحية
المحلول الموصل
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Na + Br2 → 2NaBr العامل المؤكسد هو
Br
NaBr
Na
Na+
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Al + 3Sn+2 → 2Al+3 + 3Sn القطب الذي تحدث له عملية أكسدة هو
Al+3
Sn+2
Sn
Al
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
عدد تأكسد الحديد في المركب Fe(OH)3
+3
-3
+2
-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
الخلية الجلفانية هي خلية ...
كهربائية
كهروكيميائية
نووية
فيزيائية
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
جهد الاختزال هو قابلية المادة
فقد الالكترونات
التحلل
للتأكسد
لإكتساب الالكترونات
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