
موازنة المعادلات
Authored by mohammad qwaider
Chemistry
11th Grade
Used 14+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي من العادلات التالية موزونة
C + O2 --------) CO2
H2 + O2 ----------) H2O
Na + Cl 2 --------- ) NaCl 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي من المعادلات التالية تحقق قانون حفظ الذرات؟
Na + O2 --------) Na2O
2Na + O 2 ----- ) 2 Na 2 O
4 Na + O2 ----- 2 N2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
اي من المعادلات التالية موزونة؟
2 Mg + O2 ------) 2 MgO
اي من المعادلات التالية موزونة؟
2Mg + O2 --- ) MgO
Mg + O2 --------) 2 MgO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
اي من العبارات التالية يعتبر صحيح بالنسبة للتفاعلات الكيميائية؟
حجم المواد المتفاعلة = حجم المواد الناتجة
كتل المواد المتفاعلة = كتل المواد الناتجة
تحتلف انواع ذرات المواد المتفاعلة عن انواع ذرات المواد الناتجة
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي من المعادلات التالية غيرموزونة؟
CaCO3-------) CaO + CO2
Na + H2O ------------ ► NaOH + H2
K + MgBr ------------ ► KBr + Mg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
عندما يتفاعل الحديد مع الاكسجين لينتج مركب اكسيد الحديد فان المواد المتفاعلة هي
اكسيد الحديد
الاكسجين فقط
الحديد فقط
الاكسجين والحديد
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ما عدد ذرات الاكسجين الناتجة في التفاعل الالي؟
CH4 + O2 ------------ ► CO2 + H2O
1
2
3
4
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