
KEL 5 (2) MIPA 3
Quiz
•
Chemistry
•
12th Grade
•
Hard
Marisi Hutajulu
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Apa yang dimaksud dengan logam transisi?
Unsur yang terikat oleh ikatan hidrogen
Unsur yang terikat oleh ikatan ion
Unsur yang terikat oleh ikatan kovalen
Unsur yang terikat oleh ikatan logam
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Bagaimana cara pembuatan skandium?
Mereduksi oksida mangan dengan natrium
Mengubah biji rutil menjadi TiCl4
Mengelektrolisis kalium cair dan skandium klorida
Mereduksi fluorida dengan logam magnesium
3.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Apa langkah awal dalam produksi titanium?
Mengubah biji rutil menjadi TiCl4
Mereduksi TiCl4 dengan Mg
Mereduksi V2O5 dengan silicon
Mengelektrolisis cairan ScCl3
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Apa reaksi yang digunakan untuk menghasilkan ferrovanadium?
3MnO2 -> Mn3O4 + O2
2V2O5 + 5Si -> 4V + Fe + 5SiO2
Cu2S + FeSiO3 -> Cu blister
TiO2 + C + 2Cl2 -> TiCl4 + CO2
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Bagaimana cara pembuatan mangan?
Mengubah biji rutil menjadi TiCl4
Mereduksi V2O5 dengan besi
Mengekstraksi biji besi dalam tanur tinggi
Mereduksi oksida mangan dengan natrium
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Apa yang terjadi pada tembaga blister setelah proses elektrolisis?
Menjadi tembaga murni
Menjadi tembaga tidak murni
Menjadi tembaga sulfida
Menjadi tembaga oksida
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Apa sumber utama kobalt?
Silicon
Aluminium
Kalsium
Speisses
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