
Simulasi PTS Online
Authored by Amin Riyadi
Chemistry
6th - 8th Grade
Used 28+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Perhatikan beberapa contoh berikut:
- penambahan etilen glikol pada radiator mobil
- penyerapan air oleh tanaman
- penyulingan minyak bumi
- kolam apung
keempat contoh tersebut merupakan penerapan sifat koligatif larutan berturut-turut adalah......
penurunan titik beku - tekanan osmotik - kenaikan titik didih - penurunan tekanan uap
kenaikan titik didih - tekanan osmotik - penurunan titik beku - kenaikan tekanan uap
penurunan titik beku - tekanan osmotik - penurunan tekanan uap - kenaikan titik didih
kenaikan titik didih - tekanan osmotik - penurunan titik beku - penurunan tekanan uap
2.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Suatu larutan nonelektrolit membeku pada suhu -0,3720C Jika Kf air = 1,860C/mol dan Kb air = 0,520C/mol, kenaikan titik didih larutan tersebut sebesar ….
0,0530C
0,1040C
0,3720C
0,5200C
1,0400C
3.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Sebanyak 5,85 g garam dapur, NaCl (Mr=58,5), dilarutkan dalam 4 kg air. Tentukan titik beku larutan (Kf =1,86)
- 0,093 oC
-0,93 oC
-9,3 oC
0,093 oC
0,93 oC
4.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Perhatikan gambar ilustrasi komposisi larutan berikut!
Pernyataan yang paling tepat adalah ....
tekanan uap larutan (1) lebih tinggi daripada larutan (2)
titik beku larutan (1) lebih tinggi daripada larutan (2)
titik didih larutan (1) lebih tinggi daripada larutan (2)
titik didih larutan (1) lebih rendah daripada larutan (2)
titik beku larutan (1) sama dengan titik beku larutan (2)
5.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Sebanyak 3,2 gram suatu zat non elektrolit dilarutkan dalam 200 gram air. Larutan tersebut mendidih pada suhu 100,02oC. Maka besarnya massa molekul relatif (Mr) zat non elektrolit tersebut jika diketahui harga Kb = 0,5 adalah ...
250
300
350
400
500
6.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Berikut ini, pernyataan yang benar tentang reaksi oksidasi adalah...
Penerimaan pasangan elektron
Reaksi pelepasan oksigen dari senyawanya
Penerimaan elektron
Penurunan bilangan oksidasi
Pertambahan bilangan oksidasi
7.
MULTIPLE CHOICE QUESTION
10 mins • 4 pts
Diantara reaksi berikut yang bukan reaksi redoks adalah...
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