Persamaan Rx
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Amelia Dwi Sundari
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Pada reaksi pembuatan gas amonia, persamaan reaksinya: N2 + 3H2 → 2NH3
Pernyataan yang benar tentang persamaan reaksi diatas adalah...
Tiga molekul hidrogen bereaksi dengan 2 molekul amonia
Gas nitrogen dan gas hidrogen adalah zat pereaksi
Persamaan reaksi tersebut belum setara
2 atom amonia merupakan zat hasil reaksi
gas amonia merupakan reaktan
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diketahui persamaan reaksi sebagai berikut:
2Na + 2C2H5OH → 2C2H5ONa + H2
Dari persamaan reaksi di atas, merupakan reaktan adalah....
Na dan H2
C2H5OH dan C2H5Ona
C2H5ONa dan H2
Na dan C2H5ONa
Na dan C2H5OH
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Perhatikan persamaan reaksi pelarutan aluminnium berikut ini:
a Al + b H2SO4 → c Al2(SO4)3 + d H2
Harga a, b, c, dan d berturut-turut adalah...
2, 3, 2, 1
2, 3, 1, 3
1, 2, 2, 3
2, 2, 1, 2
1, 2, 1, 3
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Reaksi pembakaran hidrokarbon berikut:
C3H6 + O2 → CO2 + H2O
Agar persamaan reaksi tersebut setara, koefisien reaksinya adalah...
2-9-3-6
2-9-6-6
1-2-3-3
1-9-3-3
2-3-6-6
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diketahui beberapa persamaan reaksi
1) 2H2 + O2 → 2H2O
2) H2 + Cl2 → HCl
3) 2Al + O2 → Al2O3
4) NH3 + HCl → NH4Cl
Reaksi yang belum setara adalah...
1 dan 4
1 dan 2
2 dan 3
3 dan 4
1, 2, dan 3
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diantara persamaan reaksi berikut, persamaan reaksi yang setara adalah...
HgS + HNO3 + HCl → HgCl + NO + S + H2O
2Cu(NO3)2 + 2KI → 2CuI + I2 + 2 KNO3
2Al + 6HCl → 2AlCl3 + 3H2
C3H8 + 4O2 → 3CO2 + 3H2O
Na + O2 → Na2O
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Di ketahui persamaan reaksi:
Mg3N2(s) + H2O(l) → Mg(OH)2(aq) + NH3(g)
Setelah disetarakan, koefisien H2O dan NH3 berturut-turut adalah...
1 dan 2
4 dan 5
6 dan 2
5 dan 2
6 dan 3
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