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Menyeimbangkan persamaan kimia

Authored by tina hamzah

Chemistry

4th - 8th Grade

Used 209+ times

Menyeimbangkan persamaan kimia
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 N2+ H2 → NH2N_2+\ H_2\ \rightarrow\ NH_2  Seimbangkan persamaan kimia yang berikut 

 2N2+ H2 → NH22N_2+\ H_2\ \rightarrow\ NH_2  

 N2 + 2H2 → NH2N_2\ +\ 2H_2\ \rightarrow\ NH_2  

 2N2 + 2H2 → NH22N_2\ +\ 2H_2\ \rightarrow\ NH_2  

 N2 + 2H2 → 2NH2N_2\ +\ 2H_2\ \rightarrow\ 2NH_2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 KClO3 → KCl + O2KClO_3\ \rightarrow\ KCl\ +\ O_2  , Seimbangkan persamaan kimia 

 2KClO3→ 2KCl + O22KClO_{3_{ }}\rightarrow\ 2KCl\ +\ O_{2_{ }}  

 2KClO3 → 2KCl + 3O22KClO_3\ \rightarrow\ 2KCl\ +\ 3O_{2_{ }}  

 2KClO3 → KCl + 3O22KClO_3\ \rightarrow\ KCl\ +\ 3O_{2_{ }}  

 KClO3→ KCl + O2KClO_{3_{ }}\rightarrow\ KCl\ +\ O_{2_{ }}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 H2 + O2 → H2OH_2\ +\ O_2\ \rightarrow\ H_2O  , Seimbangkan persamaan kimia tersebut

 H2+O2→ 2H2OH_2+O_{2_{ }}\rightarrow\ 2H_2O  

 2H2+ O2 → 2H2O2H_{2_{ }}+\ O_2\ \rightarrow\ 2H_2O  

 2H2 + O2 → H2O2H_2\ +\ O_2\ \rightarrow\ H_2O  

 H2 + 2O2 → H2OH_2\ +\ 2O_2\ \rightarrow\ H_2O  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 CH4 + O2 → CO2 + H2OCH_4\ +\ O_2\ \rightarrow\ CO_2\ +\ H_2O  , Seimbangkan persamaan kimia  tersebut

 CH4 + 2O2 → CO2 + 2H2OCH_4\ +\ 2O_2\ \rightarrow\ CO_2\ +\ 2H_2O  

 CH4 + O2 → CO2 + 2H2OCH_4\ +\ O_2\ \rightarrow\ CO_2\ +\ 2H_2O  

 CH4 + 2O2 → 2CO2 + H2OCH_4\ +\ 2O_2\ \rightarrow\ 2CO_2\ +\ H_2O  

 CH4 + 2O2 → CO2 + H2OCH_4\ +\ 2O_2\ \rightarrow\ CO_2\ +\ H_2O  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Ag2O → Ag + O2Ag_2O\ \rightarrow\ Ag\ +\ O_2  , Seimbangkan persamaan kimia tersebut 

 Ag2O → 2Ag + O2Ag_2O\ \rightarrow\ 2Ag\ +\ O_2  

 Ag2O → Ag + 2O2Ag_2O\ \rightarrow\ Ag\ +\ 2O_2  

 2Ag2O → 4Ag + O22Ag_2O\ \rightarrow\ 4Ag\ +\ O_2  

 2Ag2O → 2Ag + O22Ag_2O\ \rightarrow\ 2Ag\ +\ O_2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 H2O + O2 → H2O2H_2O\ +\ O_2\ \rightarrow\ H_2O_2  , Seimbangkan persamaan kimia tersebut

 H2O + 2O2 → H2O2H_2O\ +\ 2O_2\ \rightarrow\ H_2O_2  

 2H2O + O2 → H2O22H_2O\ +\ O_2\ \rightarrow\ H_2O_2  

 H2O + 2O2 → 2H2O2H_2O\ +\ 2O_2\ \rightarrow\ 2H_2O_2  

 2H2O + O2 → 2H2O22H_2O\ +\ O_2\ \rightarrow\ 2H_2O_2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 NaCl + F2 → NaF + Cl2NaCl\ +\ F_2\ \rightarrow\ NaF\ +\ Cl_2  

 2NaCl + F2 → 2NaF + Cl22NaCl\ +\ F_2\ \rightarrow\ 2NaF\ +\ Cl_2  

 NaCl + F2 → 2NaF + Cl2NaCl\ +\ F_2\ \rightarrow\ 2NaF\ +\ Cl_2  

 2NaCl + F2 → NaF + Cl22NaCl\ +\ F_2\ \rightarrow\ NaF\ +\ Cl_2  

 2NaCl + F2 → NaF + 2Cl22NaCl\ +\ F_2\ \rightarrow\ NaF\ +\ 2Cl_2  

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