
Kuis Kromatografi
Quiz
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Science
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University
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Practice Problem
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Medium
Andi Ardiansyah
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50 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Prinsip dasar kromatografi adalah:
Difusi molekul
Reaksi kimia
Pemisahan berdasarkan perbedaan afinitas
Sublimasi
Reaksi redoks
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Dalam kromatografi, fase diam bertugas:
Menyaring campuran
Menguapkan pelarut
Menahan komponen berdasarkan afinitas
Menghentikan reaksi
Mendeteksi senyawa
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Fase gerak dalam kromatografi cair biasanya berbentuk:
Padat
Gas
Cairan
Gel
Kristal
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Kromatografi lapis tipis (TLC) menggunakan fase diam berupa:
Resin ion
Fase cair polar
Silika gel atau alumina
Nafion
Grafit
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Deteksi senyawa pada TLC paling sering dilakukan dengan:
Sinar UV
Sinar inframerah
Warna fluoresen
Spektroskopi massa
Gravimetri
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Rf dalam TLC adalah:
Rasio antara dua pelarut
Jarak total migrasi pelarut
Jarak migrasi senyawa dibandingkan jarak migrasi pelarut
Kecepatan pelarut
Luas noda terhadap panjang kolom
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Keuntungan utama kromatografi kolom dibanding TLC adalah:
Lebih murah
Deteksi lebih mudah
Tidak butuh pelarut
Tanpa alat
Dapat digunakan untuk pemisahan skala besar
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