Persamaan Reaksi Kimia
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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Stella Adijuwana
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Serbuk tembaga (II) oksida larut dalam asam klorida membentuk tembaga (II) klorida dan air. Persamaan reaksi setara dan lengkap dari reaksi tersebut adalah ....
Cu2O (s) + HCl (aq) → Cu2Cl (aq) + H2O (l)
Cu2O (s) + 2 HCl (aq) → 2 Cu2Cl (aq) + H2O (l)
CuO (s) + HCl (aq) → CuCl (aq) + H2O (l)
CuO (s) + 2 HCl (aq) → CuCl2 (aq) + H2O (l)
Cu2O (s) + 4 HCl (aq) → 2 CuCl2 (aq) + 4 H2O (l)
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
pada peristiwa korosi (perkaratan) logam besi bereaksi dengan udara (oksigen) membentuk besi (III) oksida. persamaan reaksi yang sesuai dengan peristiwa perkaratan adalah
Fe (s) + O2 (g) → Fe2O3 (s)
4 Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)
Fe (s) + O2 (g) → FeO2 (s)
Fe (s) + O2 (g) → FeO (s)
2 Fe (s) + O2 (g) → 2 FeO3 (s)
3.
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 adalah ....
Mg (s) + 2 HCl (aq) → MgCl (aq) + H2 (g)
Mg (s) + 2 HCl (aq) → MgCl2 (aq) + 2 H2 (g)
2 Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2 (g)
Mg (s) + 2 HCl (aq) → MgCl2 (aq) + H2 (g)
2 Mg (s) + 2 HCl (aq) → Mg2Cl (aq) + H2 (g)
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rumus kimia senyawa magnesium hidroksida adalah ....
MgO
MgOH
Mg(OH)2
MnOH
Mn(OH)2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Senyawa yang memiliki rumus kimia KClO diberi nama ....
kalium klorida
kalium hipoklorit
kalium klorit
kalium klorat
kalium perklorat
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Senyawa di bawah ini yang tidak mengandung karbon adalah ....
kalsium karbonat
asam oksalat
kalsium karbida
karbon dioksida
asam sulfat
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui lima senyawa sebagai berikut:
1) asam sulfit - H2SO3
2) asam oksalat - H2CO3
3) asam periodat - HIO4
4) asam asetat - HCOOH
5) asam nitrat - HNO3
Senyawa yang tidak sesuai nama dan rumus kimianya adalah ....
1) dan 2)
1) dan 3)
2) dan 4)
3) dan 4)
3) dan 5)
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