Persamaan Reaksi
Authored by Eroh Muthoat
Chemistry
10th Grade
Used 871+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Logam magnesium direaksikan dengan larutan
asam klorida membentuk larutan magnesium
klorida dan gas hidrogen , maka persamaan
reaksi yang benar dan setara adalah …..
Mg(s)+2HCl(aq) → MgCl(aq)+H2(g)
Mg(s)+2HCl(aq) → MgCl(aq)+2H2(g)
2Mg(s)+2HCl(aq) → MgCl(aq)+H2(g)
Mg(s)+2HCl(aq) → MgCl2(aq)+H2(g)
2Mg(s)+2HCl(aq) → Mg2Cl(aq)+H2(g)
2.
MULTIPLE CHOICE QUESTION
3 mins • 12 pts
Penulisan yang benar untuk reaksi : Besi dengan Chlorin membentuk besi (III) Chlorida, adalah...
Fe+Cl2 → 2FeCl3
2Fe+Cl2 → 2Fe3Cl3
2Fe+3Cl2 → 2FeCl3
Fe+Cl2 → FeCl3
Fe+Cl → FeCl3
3.
MULTIPLE CHOICE QUESTION
3 mins • 12 pts
Supaya reaksi :
3Cu(s)+a HNO3(aq) → b Cu(NO3)2(aq)+c NO(g) +d H2O(I) menjadi setara, maka harga a,b,c, dan d berturut - turut adalah....
8,3,5,4
8,3,2,4
3,3,2,4
4,3,1,2
8,5,4,3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika kalium nitrat dipanaskan akan terbentuk
kalium nitrit dan gas oksigen. Data tersebut
jika ditulis dengan reaksi setara adalah …
Ca(NO3)2(aq) → Ca(NO2)2(aq)+ O2(g)
2Ca(NO3)2(aq) → 2Ca(NO2)2(aq)+ O2(g)
2K(NO3)2(aq) → 2K(NO2)2(aq)+ O2(g)
K(NO3)2(aq) → K(NO2)2(aq)+ O2(g)
K(NO3)3(aq) → K(NO2)2(aq)+ NO2(g)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Serbuk tembaga (II) oksida larut dalam asam
klorida membentuk tembaga (II) klorida dan
air. Persamaan setara untuk reaksi itu adalah
…..
Cu2O(s)+HCl(aq) → 2CuCl(aq)+H2O(l)
Cu2O(s)+HCl(aq) → Cu2Cl(aq)+H2O(l)
CuO(s)+HCl(aq) → CuCl(aq)+H2O(l)
CuO(s)+2HCl(aq) → 2CuCl2(aq)+H2O(l)
Cu2O(s)+4HCl(aq)→2CuCl2(aq)+4H2O(l)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Setarakan reaksi dibawah ini :
Ba + Al2(SO4)3 → Al + BaSO4 . Koefisien
reaksinya berturut - turut adalah...
1,1,1,1
1,1,2,1
3,1,1,3
1,1,2,3
3,1,2,3
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika magnesium bereaksi dengan oksigen menghasilkan magnesium oksida, maka persamaan reaksi yang benar adalah......
Mg(s) + O2(g) → MgO(s)
Mg(s) + O2(g) → MnO(s)
Mg(s) + O2(g) → MgO2(s)
Mg(s) + O2(g) → Mn2O(s)
2Mg(s) + O2(g) → 2MgO(s)
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