ULANGAN FORMATIF SIFAT KOLIGATIF
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
djejsj Johari
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hai Hadi dan Ratna! Mari kita eksplorasi dua contoh peristiwa kimia yang menarik:
(1) pemakaian urea untuk mencairkan salju di musim dingin
(2) produksi air tawar dari air laut yang penuh misteri
Contoh-contoh tersebut berkaitan dengan sifat koligatif larutan secara berurutan, yaitu:
penurunan titik beku dan tekanan osmotic
tekanan osmotic dan penurunan titik beku
Kenaikan titik didih dan penurunan titik beku
Penurunan titik beku dan kenaikan titik didih
tekanan osmotic dan kenaikan titik didih
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Halo teman-teman! Mari kita bahas tentang penerapan sifat koligatif larutan dalam kehidupan sehari-hari. Siapa yang tahu?
(1) Pembuatan ikan asin yang lezat;
(2) Pembuatan es putar yang menyegarkan;
(3) Mencairkan salju di jalan raya di daerah dingin agar kita bisa berkendara dengan aman;
(4) Membunuh lintah nakal dengan garam; dan
(5) Pemakaian cairan/obat tetes mata yang membantu kita melihat lebih jelas.
Penerapan tekanan osmotic terdapat pada nomor ….
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (4)
(4) dan (5)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hai Sari, Tiara, dan Mega! Mari kita uji pengetahuan kalian tentang sifat koligatif larutan. Berikut ini adalah sifat koligatif larutan, kecuali......
Penurunan titik didih
Penurunan titik beku
Tekanan osmotik
Penurunan tekanan uap
Kenaikan titik didih
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Arif and Wawan are debating about the correct formula for molality. Can you help them out? Rumus molalitas yang benar adalah .....
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Hey Nisa, imagine you're in a chemistry lab with your friends Ina and Tiara! You have a solution where the mol fraction of urea in water is 0.2. The vapor pressure of pure water at 20˚C is 17.5 mmHg. Can you figure out what the vapor pressure of the solution at that temperature would be?
3,5
14
17,5
17,7
21
6.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Rudi dan Ina sedang belajar tentang titik beku larutan. Mereka menemukan bahwa Kf = 1,86. Sekarang, mereka penasaran, berapakah titik beku larutan CaCl2 0,54 molal jika titik beku pelarut murni adalah 0oC? Ayo bantu mereka!
4,0
3,0
-2,7
-3,0
-5,0
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Hai teman-teman! Siapa di antara kalian yang bisa menjawab pertanyaan ini? Berikut ini yang mempunyai titik didih tertinggi adalah ....
0,2 molal alkohol
0,3 molal amonium klorida
0,1 molal magnesium sulfat
0,3 molal barium klorida
0,5 molal urea
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