
Химиялық реакциялардың теңдеулерін құру
Authored by Maksat Serikoc
Chemistry
11th Grade
Used 53+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
S+O2=...
SO3
SO2
SO
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
P+O2=...
P2O3
P2O5
PO4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
P+Cl2=PCl5, дұрыс теңестіру
P+5Cl2=PCl5
P+5Cl2=2PCl5
2P+5Cl2=2PCl5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Zn+O2=ZnO дұрыс теңестіру
2Zn+O2=ZnO
Zn+2O2=2ZnO
2Zn+O2=2ZnO
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Al+O2=Al2O3 дұрыс теңестіру
4Al+3O2=3Al2O3
4Al+3O2=2Al2O3
4Al+2O2=2Al2O3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
N2+H2=NH3 дұрыс теңестіру
N2+3H2=2NH3
N2+4H2=3NH3
3N2+H2=2NH3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Al+HCl=AlCl3+H2 дұрыс теңестіру
3Al+6HCl=4AlCl3+3H2
2Al+3HCl=2AlCl3+2H2
2Al+6HCl=2AlCl3+3H2
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