Final Mondial
Quiz
•
Other
•
KG
•
Practice Problem
•
Hard
روم مود
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
اي التفاعلات الآتية تخضع لقاعدة ماركونيكوف ؟
CH3 - CH=CH - CH3 + H2O
CH3 - CH2 - CH2 - CH3 + H2O
CH3 - CH2 - CH = CH2 + HCl
CH3 - CH2 - CH2 - CH2CI + NaOH
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
باستخدام بيانات الجدول ادناه اي المحاليل الآتيه اقل قاعدية ؟
NH3
C6H5NH2
C2H5NH2
CH3NH2
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
اي المعادلات الاتيه موزونه ؟
C3H8 + O2 —> CO2 + H2O
C3H8 + 3O2 —> CO2 + 4H2O
C3H8 + 5O2 —> 3CO2 + 4H2O
C3H8 + 2O2 —> 2CO2 + 2H2O
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
كتلة من الحديد درجة حرارتها40ْC غمرت في كمية من الماء مقدارة 1000g ودرجة حرارتها 21ْC ، اذا علمت ان الحراره النوعية للماء تساوي 4.18j/g.ْC، (فما كمية الحراره بوحده kj) التي اكتسبها الماء ؟
204.82
79.42
49
0.08
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
ما اسم المركب الاتي ؟
3-hexyl cyclohexane
4-cyclohexane hexyl
3-cyclohexane hexyl
Hexyl cyclohexane
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
اذا كانت الحرارة اللازمة لرفع درجة الحرارة 500g من الماء من 25ْC الى 30ْC تساوي 10460J ، فأن حرارته النوعيه بوحدة J/gْC هي ؟
20.92
8.314
0.047
4.184
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
مادة عضوية كتلتها 0.02g عند حرقها أنتجت 0.05g ثاني اكسيد الكربون ما النسبة المئوية للكربون في تلك العينه علما ان (O=16 , C=12) ؟
68.2%
74.88%
66.4%
55.75%
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