
pretest kedua prak. fitokimia
Quiz
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Science
•
University
•
Easy
Rahmi Muthia
Used 5+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
metode pemisahan menggunakan dua pelarut yang tidak bercampur satu sama lain disebut...
ekstraksi cair padat
ekstraksi cair-cair
maserasi
sokletasi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pada prosedur praktikum 3 tentang metode pemisahan ekstrak/fraksinasi, awalnya ekstrak dilarutkan dengan pelarut?
air
n-heksana
etil asetat
etanol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pada prosedur praktikum 3 tentang metode pemisahan ekstrak/fraksinasi, pelarut yang bersifat non polar yang digunakan setelah penambahan air adalah?
air
n-heksana
etil asetat
etanol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pada prosedur praktikum 3 tentang metode pemisahan ekstrak/fraksinasi, pelarut yang bersifat semi polar, ditambahkan pada fraksi air setelah penambahan n-heksana adalah?
air
n-heksana
etil asetat
etanol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pada sistem pemisahan, terdapat tiga macam penggolongan metode pemisahan. pada jenis pemisahan ECC, pelarut I disebut sebagai ?
fase diam
fase gerak
ekstraktan
rafinat
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