Soal UAS Kimia 12 Ganjil 2023
Quiz
•
Chemistry
•
12th Grade
•
Hard
Ahmad Syawaluddin, S.Pd
Used 2+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Sifat koligatif larutan ialah sifat larutan yang hanya dipengaruhi oleh ……
Banyaknya partikel zat terlarut
Massa jenis larutan
Jenis partikel zat terlarut
Warna zat pelarut
Banyak sedikitnya larutan
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Berikut ini peristiwa kimia dalam kehidupan sehari-hari.
(1) Etilen glikol dapat ditambahkan ke dalam radiator mobil
(2) Desalinasi air laut.
Kedua contoh di atas berhubungan dengan sifat koligatif larutan secara berturut – turut, yaitu ……
Penurunan tekanan uap dan tekanan osmosis
Tekanan osmosis dan kenaikan titik didih
Kenaikan titik didih dan penurunan titik beku
Penurunan titik beku dan osmosis balik
Penurunan titik beku dan kenaikan titik didih
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Oksida unsur periode ketiga yang paling bersifat asam jika dilarutkan dalam air adalah ……
Cl2O7
SiO2
P2O6
Al2O3
MgO
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Bahan detergen yang berfungsi mengikat ion Ca2+ dan Mg2+ yang terdapat dalam air sadah adalah ……
Alkil benzene sulfat (ABS)
Sodium lauril sulfonate (SLS)
Sodium tripolyphosphate (STTP)
Carboxy metyl cellulose (CMC)
Natrium silikat (Na2SiO3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Beberapa senyawa atau produk yang mengandung unsur halogen adalah ……
Senyawa frenon, pestisida dan etilen
Senyawa frenon, pestisida dan xenon
Senyawa pestisida, etilen dan xenon
Senyawa etilen, xenon dan krypton
Semua benar
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Beberapa warna yang tampak pada ion Mangan sebagai berikut.
Mn2+ = merah muda
Mn7+ = ungu
Mn6+ = hijau
Senyawa Mangan berikut yang mempunyai warna hijau adalah ……
Mn(NO3)
MnO2
KMnO4
K2MnO4
MnCl2
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Di antara unsur-unsur golongan alkali tanah yang sifatnya mirip dengan aluminium adalah ……
Mg
Be
Ra
Ca
Sr
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