
كيمياء 1ث
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
سما والتدريب
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
عدد مولات الماء الموجودة في
منه تساوي g36
{O=16 , H=1}
1 mol
2 mol
0.5 mol
2.5 mol
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
عدد جزيئات ثاني اكسيد الكبريت الموجودة في
منه تساوي g128
جزئ......
{s=32 , o=16}
2
6.02 x 1023
3.01 x 1023
12.04 x 1023
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
4g حجم
من الهيدروجين في الظروف القياسية
=(STP)
{ H=1}
2L
22.4 L
44.8 L
89.6 L
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
عدد جرامات
44.8 L
في NH3من غاز النشادر
=(STP)
{ H=1 , N=14}
2 g
17 g
0.5 g
34 g
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
اكبر عدد من الذرات يوجد في حجم
0.04 L
من غاز الهيليوم
0.02 L
من غاز الهيدروجين
0.03 L
من بخار الفسفور
0.01 L
من بخار الكبريت
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
عدد ايونات الصوديوم الناتجة من اذابة
117 g
من كلوريد الصوديوم في الماء
(Na=23 , Cl= 35.5)
2
12.04 x 1023
6.02 x 1023
3.01 x 1023
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
في التفاعل التالي
4KO2(S) + 2CO2(g)→2k2co3(s)+302(g)
فان حجم غاز الاكسجين الناتج من تفاعل
2mol
ko2 من سوبر اكسيد البوتاسيوم
33.6 l
3 l
22.4 l
67.9 l
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