QUIZ KOLOM 13.2
Authored by Tubagus Singgih
Chemistry
12th Grade
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prinsip pemisahan pada kolom GC didasarkan pada…
a. Perbedaan kelarutan dalam air
b. Perbedaan titik didih dan interaksi dengan fase diam
c. Perbedaan massa molekul
d. Perbedaan warna senyawa
e. Perbedaan densitas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parameter kolom yang mempengaruhi efisiensi pemisahan adalah, kecuali…
a. Panjang kolom
b. Diameter kolom
c. Jenis fase diam
d. Warna polyimide coating
e. Ketebalan film fase diam
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hubungan panjang kolom dengan resolusi adalah…
a. Semakin panjang kolom, resolusi meningkat
b. Semakin panjang kolom, resolusi menurun
c. Panjang kolom tidak berpengaruh pada resolusi
d. Resolusi maksimum pada kolom pendek
e. Panjang kolom hanya mempengaruhi waktu retensi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolom dengan fase diam polar cocok digunakan untuk memisahkan…
a. Senyawa nonpolar
b. Campuran hidrokarbon
c. Senyawa polar seperti alkohol
d. Gas mulia
e. Campuran logam
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fase diam nonpolar dalam GC umumnya berbasis…
a. Polyethylene glycol
b. Cyanopropylphenylsiloxane
c. Methylpolysiloxane
d. Trifluoropropylmethylsiloxane
e. Polyester
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketebalan film fase diam yang lebih tipis cenderung…
a. Mempercepat elusi senyawa
b. Memperlambat elusi senyawa
c. Tidak mempengaruhi kecepatan elusi
d. Meningkatkan resolusi
e. Menurunkan suhu maksimum kolom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lapisan pori-pori pada kolom PLOT terbuat dari…
a. Logam mulia
b. polimer berpori
c. Aluminium foil
d. Gelatin
e. Resin epoksi
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