
مسابقة التحصيلي
Quiz
•
Chemistry
•
12th Grade
•
Easy

أماني الهويمل
Used 2+ times
FREE Resource
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
يمكن التمييز بين المخلوط المعلق والمخلوط الغروي بـ
تاثير تندال
الترشيح
التركيز
عدد الجسيمات
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
تاثير تندال هو
انعكاس الضوء
حركة عشوائية
تشتت الضوء
حركة براونية
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
حركة عشوائية عنيفة للجسيمات المنتشرة في المخاليط الغروية
الحركة الدورانية
الحركة الغروانية
الحركة الاهتزازية
الحركة البراونية
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ما لنسبة المئوية بدلالة الكتلة لمحلول يحتوي على
5g
من مادة مذابة في
50g
المحلول
5%
10%
20%
50%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ما مولارية محلول إذا أذبنا
10g
من هيدروكسيد الصوديوم في NaOH
1L
من المحلول علماً بأن الكتل المولية للذرات كتالي
Na=23–O=16 -H=1
0.25M
0.5M
0.75M
1M
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
حجم محلول قياسي تركيزه
2M
اللازم لتحضير محلول مخفف منه تركيزه
4 M
وحجمه
0.5L
1L
2L
3L
4L
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ذوبان الغازات ............ بزيادة درجة الحرارة
يزداد
يقل
لا يتأثر
يتساوى
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