kuis penyetaraan persamaan reaksi kimia

Quiz
•
Chemistry
•
1st Grade
•
Medium
Miranti Yusifa
Used 821+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Untuk reaksi :
aFeS2 + bO2 → cFe2O3 + dSO2
Koefien reaksi beturut-turut adalah ………
4, 2, 2, 8
2, 4, 11, 8
4, 11, 2, 8
8, 2, 4, 11
11, 4, 8, 2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
diantara reaksi berikut yang sudah setara adalah ……
H2 + O2 → H2O
N2 + 3H2 → 2NH3
Mg + HCl → MgCl2 +H2
C + O2 → CO
SO2 + 3O2 → SO3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari reaksi :
Cu + 2NHO3 → Cu(NO3)2 + H2
yang disebut zat produk adalah
HNO3
Cu dan HNO3
HNO3 dan H2
Cu(NO3)2 + H2
Cu(NO3)2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan persamaan reaksi kimia berikut.
Na2S2O3(aq) + I2(aq) → Na2S4O6(aq) + NaI(aq)
Agar persamaan reaksi kimia di atas setara, maka koefisien untuk Na2S2O3 dan NaI adalah ….
1 dan 2
1 dan 1
2 dan 1
2 dan 2
2 dan 3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Logam magnesium direaksikan dengan larutan asam klorida membentuk larutan magnesium klorida dan gas hidrogen, maka persamaan reaksi kimia yang benar adalah ….
Mg(s) + 2HCl(aq) → MgCl(aq) + H2(g)
Mg(s) + 2HCl(aq) → MgCl2(aq) + 2H2(g)
2Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
2Mg(s) + 2HCl(aq) → Mg2Cl(aq) + H2(g)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika kalium nitrat dipanaskan akan terbentuk kalium nitrit dan gas oksigen. Data tersebut jika ditulis dengan persamaan reaksi kimia yang setara adalah ….
Ca(NO3)2(aq) → Ca(NO2)2(aq) + O2(g)
2CaNO3(aq) → 2CaNO2(aq) + O2(g)
2KNO3(aq) → 2KNO2(aq) + O2(g)
K(NO3)2(aq) → K(NO2)2(aq) + O2(g)
K(NO3)3(aq) → K(NO3)2(aq) + NO2(g)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Serbuk tembaga (II) oksida larut dalam asam klorida membentuk tembaga (II) klorida dan air. Persamaan reaksi kimia yang setara untuk reaksi itu adalah ….
Cu2O(s) + 2HCl(aq) → 2CuCl(aq) + H2O(l)
Cu2O(s) + 4HCl(aq) → 2CuCl2(aq) + 2H2O(l)
CuO(s) + HCl(aq) → CuCl2(aq) + H2O(l)
CuO(s) + 2HCl(aq) → CuCl2(aq) + H2O(l)
Cu2O(s) + 4HCl(aq) → CuCl2(aq) + 4H2O(l)
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