Quiz Elektrokimia

Quiz Elektrokimia

10th Grade

52 Qs

quiz-placeholder

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Quiz Elektrokimia

Quiz Elektrokimia

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

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52 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bahan yang digunakan sebagai elektrode pada sel aki (accu) adalah ...

Pt dan C

Zn dan C

Cu dan PbO2

Pb dan PbO2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Logam yang tidak diperoleh dengan proses elektrolisis adalah ...

Natrium

Aluminium

Magnesium

Kalsium

Merkuri

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada elektrolisis larutan CuSO4 dengan elektrode Pt, dialirkan arus listrik 2 Ampere selama 965 detik (Ar Cu=63,5), maka banyaknya logam tembaga yang dihasilkan ... mg

317,5

635,0

952,5

1.270

1.905

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapakah massa logam perak yang diendapkan jika arus listrik sebesar 5 Ampere dialirkan ke dalam larutan AgNO3 selama 2 jam? (Ar Ag = 108)

24,90 gram

29,40 gram

40,29 gram

42,09 gram

49,20 gram

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Logam yang dapat mencegah korosi pada bumper mobil adalah ...

Kromium

Timbal

Timah

Magnesium

Nikel

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada elektrolisis leburan Al2O3 (Ar O = 16, Al = 27) diperoleh 0,225 gram Al. Jumlah arus listrik yang diperlukan adalah ...

221,9 Coulomb

804,0 Coulomb

1.025,9 Coulomb

2.412,5 Coulomb

8.685,0 Coulomb

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oksidasi 1 mol ion sianida (CN-) menjadi ion sianat (CNO-) memerlukan muatan listrik sebanyak ..... Faraday

1

2

3

4

5

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