Kuis Pertemuan 2- skrining fitokimia
Quiz
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Other
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University
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Practice Problem
•
Hard
chema surbakti
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Adapun tujuan skrining fitokimia, kecuali...
menarik senyawa aktif
Mengetahui golongan senyawa
untuk mengetahui ekstraksi awal
prekursor sintesis obat-obat baru
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pemeriksaan alkaloid dengan penambahan NH4OH berfungsi?
alkaloid berubah dalam bentuk garamnya
membebaskan alkaloid dari garamnya
mengekstrak alkaloid basa
menyebabkan alkaloid berpindah dari fase air ke fase pelarut organik
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pemeriksaan alkaloid dengan penambahan CHCl3 berfungsi?
alkaloid berubah dalam bentuk garamnya
membebaskan alkaloid dari garamnya
mengekstrak alkaloid basa
menyebabkan alkaloid berpindah dari fase air ke fase pelarut organik
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
yang mereduksi inti benzopiron pada struktur berikut adalah...
Uji Bate-Smith dan Metcalf
amil alkohol
serbuk Mg + HCl
Wilstater
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pemeriksaan saponin dengan penambahan HCl berfungsi?
cepat terhidrolisis
busa stabil
agar larutan asam
membentuk busa
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pemeriksaan tanin yang menghasilkan warna hijau hitam dengan menambahkan?
steasny
Na. asetat
FeCL3
Antimon klorida
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pemeriksaan Steroid dan Triterpenoid menggunakan penampak bercak?
Dragendorf
FeCl3
Liebermann Burchard
Bouchardat
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