
Prak. Kimfar
Authored by Rahma yulis
Chemistry
University
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebutkan dua cara pembuatan antibiotik !
Semisintetik dan sintetik
Alami dan semisintetik
Alami dan sintetik
Semua jawaban salah
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada uji senyawa golongan antibiotik, terdapat 3 sampel yaitu chloramphenikol, tetrasiklin dan ampicillin, rumus molekul ampicillin adalah ?
C11H22Cl2N2O5
C22H24N2O8
C16H19N3O4S
C16H19N3O5S.3H2O
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada uji chloramphenikol menggunakan pereaksi chenkao, akan terbentuk warna ?
Merah coklat
Merah jingga
Kuning kemerahan
Coklat
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada uji senyawa golongan antibiotik, salah satu reaksi yang ujikan adalah reaksi marquish. Apa pereaksi yang digunakan untuk reaksi marquish tersebut ?
Diazo A dan Diazo B
Formalin dan H2SO4
Fehling A dan Fehling B
Kristal NaOH dan Air
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika tetrasiklin direaksikan dengan H2SO4 pekat akan terbentuk warna ?
Coklat
Ungu
Merah coklat
Merah ungu
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika amoxicillin direaksikan dengan FeCl3, akan terbentuk endapan berwarna ?
Coklat
Kuning
Merah
Jingga
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apa warna endapan yang dihasilkan jika Amoxicillin direaksikan dengan Pb Asetat ?
Ungu
Hitam
Merah
Kuning
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