
Kémiai egyeneletek
Authored by Katalin Iván
Chemistry
7th Grade
Used 136+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Alumínium és jód reakciója
Al + I2 →AlI3
2 Al +3 I2 →2 AlI3
2 Al + 2 I2 → 2 AlI3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Magnézium égése
Mg + O2 → MgO2
Mg + O2 → 2 MgO
2 Mg + O2 → 2 MgO
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nátrium és klórgáz reakciója
Na + Cl → NaCl
Na2 + Cl → NaCl
2 Na + Cl2 →2 NaCl
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kén égése
S + O → SO2
S + O2 → SO2
S + O → SO
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Alumínium égése
Al + O2 → AlO2
4 Al + 3 O2 → 2 Al2O3
3 Al + 2 O2 → Al3O2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kálcium és bróm reakciója
Ca + Br2 → CaBr2
Ca2+ Br2 → Ca2Br2
2 Ca + Br2 → 2 CaBr2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Víz képződése
H2 + O → H2O
2 H2 + O2 → 2 H2O
2 H + O → H2O
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