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UAS Kimia Fisika Koloid (Semester Genap 2024/2025)

Authored by Emma Riftyan

Science

University

Used 4+ times

UAS Kimia Fisika Koloid (Semester Genap 2024/2025)
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30 questions

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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

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