Kimia

Kimia

10th - 12th Grade

15 Qs

quiz-placeholder

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Kimia

Kimia

Assessment

Quiz

Chemistry

10th - 12th Grade

Hard

Used 5K+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Sifat berikut yang merupakan perubahan kimia,kecuali....

kertas menjadi abu

ubi menjadi tape

kayu menjadi arang

nasi menjadi basi

air menjadi es

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bilangan oksidasi carbon dari senyawa Na2C2O­4 adalah…

+2

+3

+4

+5

+6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Larutan yang tak dapat terhidrolisis adalah garam …

Na2S

CaCO3

CaCl2S

CaSO4

CH3COOK

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapa ml larutan NaOH 0,2 M harus ditambahkan ke dalam 200 ml larutan CH3COOH 0,2 M untuk membuat larutan penyangga dengan pH = 5(Ka CH3 COOH = 1.10-5)…

150 ml

100 ml

225 ml

250 ml

200 ml

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jika pH larutan 0,01 M suatu asam lemah HA adalah 3,5 maka tetapan asam (Ka ) adalah...

1 x 10-3

2 x 10-3

1 x 10-5

1 x 10-7

1 x 10-8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Pasangan asam-basa konjugasi dari reaksi :

CH3COOH + HNO2 → CH3COOH2+ + NO2- adalah…

CH3COOH dan HNO2

CH3COOH dan NO2-

CH3COOH2+ dan NO2-

CH3COOH2+ dan HNO2

CH3COOH2+ dan CH3COOH

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suatu larutan yang mengandung 0,1 mol asam asetat (Ka = 10-5) dan 0,01 mol natrium asetat mempunyai pH sebesar...

3

4

5

6

7

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