
كيمياء
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
salma erwi
Used 1+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
يتشابه الاسيتالدهيد وحمض البيوتانويك في
الصيغة الجزئية
الصيغة الاولية
الكتلة المولية
الخواص الكيميائية
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
اي مما يأتي لا يعد وصفا للمول
وحدة تستعمل للعد المباشر للجسيمات
عدد افوجادور من جزيئات مركب
وحدة النظام العالمي لكمية المادة
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ما كتلة جزيء واحد من الجلوكوز C6H12O6؟
الكتلة المولية =180g/mol
6.02×10*-23
2.99×10*-22
2.16×10*-25
3.34×10*-21
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ما عدد ذرات الاكسجين في 18.94 من Zn(NO3) 2?
الكتلة المولية = 189g/mol
3.62×10*23
1.81×10*23
6.02×10*25
1.14×10*25
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ما نوع التفاعل الموضح ادناه؟
2HI+(NH4)2S->H2S+2NH4I
تكوين
احلال بسيط
تفكك
احلال مزدوج
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
اذا علمت ان الكتلة الموليه لهيدروكسيد الصوديوم هي 40 مول لكل جرام فما عدد المولات في 20 جرام منه؟
0.50 mol
1.00 mol
2.00 mol
4.00 mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
؟ Ge كم ذرة في 116.14 جرام من
الكتلة المولية 72.64 جرام لكل مول
2.73 × 10*25 ذرة
6.99×10*25 ذرة
3.76 × 10*23 ذرة
9.63 × 10*23 ذرة
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