KEL 5 (2) MIPA 2

KEL 5 (2) MIPA 2

12th Grade

10 Qs

quiz-placeholder

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KEL 5 (2) MIPA 2

KEL 5 (2) MIPA 2

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Hard

Created by

Marisi Hutajulu

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Apa yang dimaksud dengan unsur golongan transisi periode 4?

Unsur alkali

Unsur gas mulia

Unsur logam

Unsur non-logam

2.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Unsur manakah yang tidak termasuk dalam golongan logam transisi periode 4?

Nikel (Ni)

Tembaga (Cu)

Skandium (Sc)

Brom (Br)

3.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Proses pembuatan titanium dimulai dengan mengubah bijih apa?

TiO2

Fe2O3

CuO

ZnO

4.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Apa yang digunakan untuk mereduksi V2O5 dalam pembuatan ferrovanadium?

Natrium

Karbon

Silicon dan besi

Aluminium

5.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Reaksi apa yang digunakan untuk memproduksi kromium?

Cr2O3 + 2Al → Al2O3 + 2Cr

2Cr + O2 → 2CrO3

Cr + H2O → Cr(OH)2

CrO4 + 2H+ → Cr2O3 + H2O

6.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Bagaimana cara pembuatan mangan?

Dengan distilasi

Dengan mereduksi oksida mangan

Dengan elektrolisis air

Dengan proses pengendapan

7.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Apa bahan baku yang diperlukan untuk mendapatkan besi?

Bijih tembaga dan karbon

Bijih besi, karbon, dan batu kapur

Bijih nikel dan air

Bijih seng dan oksigen

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