Paket Kimia 11-20
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Randhy Rendrahadi
Used 7+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berdasarkan konsep pengikatan dan pelepasan oksigen, reaksi di bawah ini yang meupakan reaksi reduksi adalah . . . .
2H2(g) + O2(g) → 2H2O(g)
Fe2O3(g) + 3CO(g) → 2Fe(s) + 3CO2(g)
CS2(g) + 3O2(g) → CO2(g) + 2SO2(g)
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
2KClO3(aq) + 3S(s) → 2KCl(aq) + 3SO2(g)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi unsur S dari molekul S2O72– adalah . . . .
–2
–4
–6
+4
+6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi unsur S dari molekul H2SO3 adalah . . . .
–2
–4
–6
+4
+6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu garam mengandung senyawa CaCl2, menurut aturan IUPAC senyawa garam dengan rumus kimia tersebut mempunyai nama . . . .
Kalsium klorida
Kalsium diklorida
Dikalsium klorida
Dikalsium diklorida
Kalium klorida
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu garam mengandung senyawa CO, menurut aturan IUPAC senyawa garam dengan rumus kimia tersebut mempunyai nama . . . .
Monokarbon monoksida
Karbon monoksida
Karbon dioksida
Kalsium monoksida
Kalsium dioksida
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diberikan senyawa Na2SO3, dimana nilai massa atom relatif (Ar) Na = 23, S = 32, O = 16. Maka massa molekul relatif (Mr) untuk senyawa tersebut adalah . . . .
116
126
136
146
156
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Koefisien a, b, c, dan d pada persamaan reaksi berikut berturut-turut adalah . . . .
a Ni + b HCl → c NiCl2 + d H2
1, 2, 1, dan 1
1, 2, 1, dan 2
2, 2, 1, dan 1
1, 1, 2, dan 2
2, 1, 2, dan 1
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