
UH Kimia Organik XIII Minyak Atsiri
Quiz
•
Chemistry
•
4th Grade
•
Practice Problem
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan karakteristik minyak cengkeh berikut ini!
(1) Digunakan untuk bahan baku parfum
(2) Digunakan sebagai bahan baku flavor
(3) Minyak cengkeh yang dihasilkan adalah strong oil
(4) Kandungan eugenol 80-85%
(5) Kandungan eugenol 91-95%
Karakteristik minyak cengkeh yang dihasilkan dari penyulingan dengan uap adalah....
(1), (4)
(1), (5)
(3), (4)
(3), (5)
(2), (5)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu minyak atsiri diperoleh dengan bantuan lemak dingin sebagai adsorbennya dan proses ekstraksi dilakukan pada suhu rendah. Metode ekstraksi yang digunakan untuk mendapatkan minyak atsiri tersebut adalah....
Pressing
Distillation
Maseration
Enflueration
Solvent extraction
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa berikut menyebabkan minyak cengkeh dapat memutar bidang polarisasi...
Eugenol
Kariofilen
Metil-n-aminketon
Seskueterpenal
Eugenol asetat
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
10 ml sampel minyak cengkeh telah dilakukan pengujian eugenol total menggunakan labu cassia. Setelah pengujian, lapisan minyak yang terdapat pada leher labu cassia sebanyak 1,2 ml. Kadar eugenol total dalam sampel tersebut adalah....%
88,00
78,57
13,64
12,00
10,71
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Minyak kayu putih yang dimurnikan memiliki warna....
Kuning
Coklat muda
Coklat tua
Biru kehijauan
Hijau
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini tidak perlu dicantumkan pada label wadah contoh minyak kayu putih yang diambil dan mewakili lot contoh ...
Nomor kemasan/lot
Tanggal pengiriman contoh
Tanggal penerimaan contoh
Petugas pengambil contoh
Nama produsen atau eksportir
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebanyak 2 ml sampel minyak dilakukan analisa kadar sineolnya dengan metode kristalisasi. Volume bagian yang terapung sebanyak 1,1 ml. Kadar sineol dalam sampel tersebut adalah....%
35,48
45,00
55,00
64,52
81,82
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