ما هو وزن المعادلة الكيميائية لتفاعل تحلل أكسيد الكالسيوم (CaO) إلى كالسيوم وأكسجين؟

تمارين المعادلة الكيميائية

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Ayman Ali
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
CaO → CaO2
CaO → Ca2O
CaO → CaO + O
2CaO → 2Ca + O2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ما هو وزن المعادلة الكيميائية لتفاعل تكوين أكسيد الحديد (Fe2O3) من الحديد والأكسجين؟
4Fe + 3O2 → 2Fe2O3
3Fe + 2O2 → Fe3O2
Fe + O → FeO
2Fe + O2 → Fe2O
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
اون المعادلة الاتية
...... KNO2 --> ..... KNO2 + ...... O2
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
اون المعادلة الاتية
..... Na + ...... H2O --> ..... NaOH + ..... H2
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
اون المعادلة الاتية
..... MnO2 + ...... HCl --------> ..... H2O + ..... MnCl2 + .... Cl2
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
اون المعادلة الاتية
..... N2 + ...... H2 --------> ..... NH3
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
اون المعادلة الاتية
..... H2SO4 + ...... KOH --------> ...... K2SO4 + ..... H2O
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