Proses Pembuatan Unsur dan Manfaat Unsur
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses pengolahan magnesium menggunakan proses ....
Goldsmicth
Wohler
Haber Bosch
Frasch
Down
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah beberapa mineral yang terdapat di alam:
- Hematit
- Pirolusit
- Siderit
- Kalkopirit
- Magnesit
Pasangan mineral yang mengandung besi adalah
1 dan 3
1 dan 5
2 dan 3
3 dan 4
4 dan 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bijih yang secara komersial untuk membuat atau memperoleh alumunium adalah ....
witerit
magnesit
kriolit
bauksit
kalkosit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manfaat dari pengolahan Asam sulfat pada proses Kontak adalah ....
antiseptik
pemutih pakaian
bahan pembuat kabel listrik
bahan dasar pembuatan puuk ZA
kerangka pesawat terbang
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bahan reduktor yang biasa digunakan untuk mengolah besi dari bijih besi hematit adalah ....
pasir
besi tukang
batu kapur
kokas
besi silika
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kegunaan kriolit dalam peleburan Al2O3 pada pengolahan bijih alumunium adalah ...
menambah kadar Al
sebagai katalisator
sebagai bahan pengisi
menurunkan titik lebur Al2O3
memurnikan Al2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan data berikut
Klorin = campuran pemadam kebakaran
Kalsium = bahan kembang api
Kalium = pupuk
Belerang = fotografi
fosforus = korek api
pasangan data yang keduanya berhubungan benar adalah ....
klorin dan kalsium
klorin dan kalium
kalsium dan belerang
kalium dan belerang
kalium dan fosforus
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