
Karakteristik dan Pengolahan Air Limbah
Authored by Astri Istyami
Engineering
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parameter kandungan zat organik dalam limbah cair berikut dapat saling menggantikan, kecuali...
TOC
COD
NOD
BOD
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Padatan tak terlarut pada limbah cair dapat mengakibatkan kerusakan lingkungan sekalipun inert, karena...
menghalangi fotosintesis
menghambat pernapasan makhluk air
menurunkan dissolved oxygen (DO)
memusnahkan peminjahan telur ikan (spawning bed)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Air limbah yang dilepaskan ke lingkungan harus berada dalam rentang pH perairan yang baik, yakni antara...
4-7
5-8
6-9
7-10
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Pencemaran air akibat nutrisi yang berlebihan (eutrofikasi) disebabkan oleh senyawa pencemar...
fosfor
sulfat
magnesium
nitrogen
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kandungan senyawa asam yang tinggi pada perairan dapat menyebabkan...
Eutrofikasi
Iritasi mata
Methemoglobinemia
Korosi
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kandungan senyawa basa yang tinggi pada perairan dapat menyebabkan...
Kerusakan tanaman
Kematian ikan
Bahaya kebakaran
Gangguan pada pembentukan flok
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam air limbah, senyawa nitrogen umumnya ditemukan dalam bentuk
NH3, NH4+, NO, urea
NH3, NH4+, NO2-, NO3-
NH3, NO, NO2-, NO3-
NH3, NH4+, NO2-, urea
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