Quiz 1 TK 2024/205

Quiz 1 TK 2024/205

University

14 Qs

quiz-placeholder

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Quiz 1 TK 2024/205

Quiz 1 TK 2024/205

Assessment

Quiz

Chemistry

University

Practice Problem

Medium

Created by

Reva Edra Nugraha

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14 questions

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1.

FILL IN THE BLANK QUESTION

10 sec • 3 pts

Berapakah bilangan oksidasi Br pada NaBrO3 (tuliskan tanda plus dan minusnya, contoh -3 atau +3)

2.

FILL IN THE BLANK QUESTION

10 sec • 3 pts

Berapakah bilangan oksidasi Mn pada Mn2O3 (tuliskan tanda plus dan minusnya, misal +3 atau -3)

3.

FILL IN THE BLANK QUESTION

30 sec • 6 pts

Tuliskan formula senyawa dari Besi (III) oksida

4.

FILL IN THE BLANK QUESTION

1 min • 10 pts

     a MnO2 (s) + b V2+ (aq) --> c VO3- (aq) + d Mn2+ (aq)

Tentukan nilai c

5.

FILL IN THE BLANK QUESTION

45 sec • 7 pts

Media Image

Manakah yg merupakan oksidator paling kuat. Tuliskan hasil senyawanya (misalkan Cu atau Sn atau Sn2+)

6.

FILL IN THE BLANK QUESTION

1 min • 10 pts

Media Image

Tentukan nilai potensial untuk sel volta yg terdiri dari Ag dan Pb (Tuliskan hanya hasilnya saja misal +0,45 atau -0,45)

7.

MULTIPLE SELECT QUESTION

20 sec • 7 pts

Media Image

Logam manakah yg bisa digunakan untuk melindungi Fe dari korosi?

Cu

Pb

Cd

Cr

Zn

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