
Quiz PPL 11
Authored by Mahirullah, Kimia
Professional Development
University
Used 3+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amoniak (NH3) dalam air permukaan dapat berasal dari sumber berikut, KECUALI:
Air seni
Tinja
Fotosintesis tanaman
Penguraian zat organik secara mikrobiologis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pH rendah, amoniak (NH3) berubah menjadi senyawa:
Nitrat (NO3-)
Amonium (NH4+)
Nitrit (NO2-)
Oksigen terlarut (DO)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Syarat kadar amoniak untuk air minum adalah:
Nol mg/l
Di bawah 1 mg/l
5 mg/l
10 mg/l
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada proses nitrifikasi, amonium (NH4+) diubah menjadi nitrit oleh bakteri:
Nitrobacter
Nitrosomonas
Pseudomonas
Achromobacter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tahap kedua nitrifikasi melibatkan konversi:
Nitrat menjadi gas nitrogen
Nitrit menjadi nitrat
Amonium menjadi nitrit
Nitrogen menjadi amonia
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denitrifikasi dilakukan oleh bakteri berikut, KECUALI:
Micrococcus
Bacillus
Nitrosomonas
Achromobacter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada proses nitrifikasi, pH optimal untuk bakteri Nitrosomonas adalah:
5,5 - 6,5
6,5 - 7,5
7,5 - 8,5
8,5 - 9,5
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