
TDPLK-MIKRO
Authored by Ayu Aliyatul
Chemistry
9th - 12th Grade
Used 25+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Tujuan mengeringkan bahan kimia dalam oven sebelum digunakan adalah …
untuk menghilangkan kandungan air
untuk mengurangi kandungan air
untuk menghilangkan lemak
untuk menghilangkan minyak
untuk mengurangi minyak
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Rumus molekul dari asam klorida, asam sulfat, dan asam fosfat berturut-turut adalah …
HClO, H2S, dan H3PO3
HCl, H2SO3, dan H3PO4
HClO3, H2SO4, dan H2PO4
HCl, H2SO4, dan H3PO4
HCl, HNO3, dan H2PO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Gas hidrokarbon (CxHy) bervolume 3 liter tepat dibakar sempurna dengan 18 liter oksigen menghasilkan 12 liter gas karbon dioksida sesuai reaksi: CxHy + O2 → CO2 + H2O (belum setara) Rumus molekul hidrokarbon tersebut adalah …
C5H12
C5H10
C4H6
C4H8
C3H8
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Suatu campuran terdiri dari 60% volume gas N2 dan 40% volume gas O2. Perbandingan molekul gas N2 dan O2 dalam campuran itu adalah …
3:2
4:3
21:16
16:21
2:3
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Substansi yang memiliki komposisi berisi nutrisi tertentu yang berguna untuk pertumbuhan bakteri disebut...
Tekanan osmosis
pH
Temperatur
Komposisi media
Media
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Komposisi yang berguna untuk mengaktifkan enzim pada media adalah....
Sulfur
Fosfat
Ragi
Karbon
Vitamin
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Tekanan osmosis yang tepat untuk pertumbuhan mikroba adalah...
Hipertonis
Hipotonis
Difusi
Hipertensi
Isotonis
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