
Quiz Kolom 13.9
Authored by Tubagus Singgih
Chemistry
12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Fungsi utama kolom pada Gas Chromatography adalah…
A. Menguapkan sampel
B. Memisahkan komponen campuran
C. Mendeteksi senyawa
D. Mengalirkan gas pembawa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
WCOT (Wall-Coated Open Tubular) column memiliki fase diam yang…
A. Dilapiskan pada dinding dalam kapiler
B. Ditanam di dalam partikel padat
C. Diimpregnasi ke support padat
D. Dicampur dengan gas pembawa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SCOT (Support-Coated Open Tubular) column berbeda dari WCOT karena…
A. Menggunakan pelapisan cair langsung pada dinding kapiler
B. Mengandung lapisan support padat yang dilapisi fase diam
C. Tidak menggunakan fase diam
D. Menggunakan gas pembawa padat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Keunggulan kolom kapiler dibanding kolom packed adalah…
A. Waktu analisis lebih lama
B. Efisiensi pemisahan lebih tinggi
C. Lebih banyak membutuhkan sampel
D. Tekanan backpressure tinggi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolom polar dalam GC umumnya dilapisi dengan fase diam seperti…
A. Polyethylene glycol
B. 100% dimethylpolysiloxane
C. Methyl-phenylpolysiloxane (50:50)
D. DIMethyl-phenylpolysiloxane (50:50)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Efisiensi kolom GC diukur dengan parameter…
A. Laju alir gas
B. Jumlah piring teori (N)
C. Tekanan inlet
D. Volume kolom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kapasitas beban sampel terbesar biasanya dimiliki oleh…
A. WCOT
B. SCOT
C. Packed column
D. PLOT
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