
UAS Kimia Fisika Koloid (Semester Genap 2024/2025)

Quiz
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Science
•
University
•
Medium
Emma Riftyan
Used 4+ times
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Apa fungsi utama emulsifier dalam sistem emulsi minyak dalam air (o/w)?
Meningkatkan suhu sistem
Mengurangi tegangan antarmuka
Meningkatkan kelarutan air
Menurunkan viskositas
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Emulsi dikatakan stabil bila tidak terjadi...
Koagulasi
Koalesensi
Difusi
Infiltrasi
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Creaming terjadi karena...
Perbedaan tegangan antarmuka
Perbedaan densitas antara dua fase
Adanya enzim dalam emulsi
Proses pemanasan
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Fungsi utama stabilizer dalam emulsi adalah...
Mengurangi pH
Meningkatkan aktivitas air
Meningkatkan viskositas fase kontinyu
Menurunkan tekanan uap
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Contoh sistem emulsi minyak dalam air adalah...
Mentega
Mayones
Susu
Margarin
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Lapisan antarmuka pada emulsi mengandung...
Hanya air
Hanya minyak
Emulsifier dan surfaktan
Protein dan karbohidrat
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Jika nilai HLB emulsifier di atas 10, maka cocok untuk...
Emulsi w/o
Emulsi o/w
Suspensi
Larutan
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