ASO KIMA SMA
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Putri Dinah Oktavia
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Semua sifat berikut tergolong sifat koligatif larutan, kecuali ....
Penurunan Tekanan Uap
Kenaikan Titik Didih
Penurunan Titik Beku
Tekanan Osmosis
Kepekatan Larutan
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Jika tekanan uap pelarut murni adalah P°, tekanan uap larutan adalah P, penurunan tekanan uap larutan ΔP, dan fraksi mol pelarut Xp , serta fraksi mol terlarut Xt , maka hubungan yang benar adalah ....
P = Xp . P°
P = Xt . P°
ΔP = Xp . P°
ΔP = Xt . P
ΔP = (Xp - Xt )P°
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Fraksi mol urea dalam air adalah 0,2. Tekanan uap jenuh air murni pada suhu 20oC sebesar 17,5 mmHg. Maka tekanan uap jenuh larutan pada suhu itu adalah ... mmHg.
3,5
14
17,5
17,7
21
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Sebanyak 4 gram zat nonelektrolit dilarutkan dalam 100 gram air ternyata mendidih pada suhu 100,347 °C, maka massa molar zat tersebut adalah ....
30
60
90
120
180
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
H2S dapat dioksidasi oleh KMnO4 menghasilkan antara lain K2SO4 dan MnO2.Dalam reaksi tersebut setiap mol H2S melepaskan ….
2 mol elektron
7 mol electron
4 mol elektron
8 mol electron
5 mol electron
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Di antara reaksi-reaksi tersebut di bawah ini yang merupakan contoh reaksi redoksadalah ….
AgNO3(aq) + NaCl(aq) AgCl(s) + NaNO3(aq)
2KI(aq) + Cl2(aq) I2(s) + 2KCI(aq)
NH3(aq) + H2O(l) NH4+(aq) + OH-(aq)
NaOH(aq) + CH3COOH(aq) CH3COONa(aq) + H2O(l)
Al2O3(S) + 2NaOH(aq) 2NaAlO2(aq) + H2O(l)
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Pada elektrolisis larutan garam logam alkali atau alkali tanah tidak dihasilkan logamnya karena ….
Sifat oksidatornya lemah
Sifat reduktornya lemah
Garam halidanya mempunyai titik leleh tinggi
Energi ionisasi tinggi dari logam lain
Ion logamnya tidak mengalami reduksi
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