QUIZ OLIMPIADE KIMIA XI SMT 2

QUIZ OLIMPIADE KIMIA XI SMT 2

12th Grade

20 Qs

quiz-placeholder

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QUIZ OLIMPIADE KIMIA XI SMT 2

QUIZ OLIMPIADE KIMIA XI SMT 2

Assessment

Quiz

English

12th Grade

Practice Problem

Hard

Created by

Dina Laurina

Used 2+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

8,92

8,62

7,15

5,10

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berikut ini, manakah pernyataan yang tidak benar:

[H3O+ ][OH- ] = 1.0x10-14 di dalam semua larutan akua pada 25° C.

[H3O+ ] = [OH- ] di dalam semua larutan akua netral

pH = 7 hanya di dalam air murni pada 25° C

[H3O+ ] >1.0x10-7 di dalam larutan akua asam.

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Berapa pH larutan yang mengandung 3,98 x 10-9 M ion hidroksida dalam air?

8,4

9,0

5,6

3,98

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berikut ini yang manakah asam Lewis tetapi bukan asam Brønsted-Lowry?

NH3

HF

BF3

HNO3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berikut ini, manakah yang BUKAN merupakan reaksi asam-basa Lewis?

Cu2+ (aq) + 4NH3 (aq) --> [Cu(NH3 )]+2 (aq)

HCl(g) + NH3 (g) --> NH4Cl(s)

H+ (aq) + OH- (aq) --> H2O(l)

2Na(s) + Cl2 (g) --> 2NaCl(s)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berikut ini, pasangan manakah yang tidak dapat membentuk campuran buffer?

NH3 , NH4Cl

. RbOH, HBr

H3PO4 , KH2PO4

NaCH3O2 , HCl

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Setiap garam berikut ini mempunyai nilai Ksp 1,00 x 10-9. Berikut ini garam manakah yang paling mudah larut dalam air.

XY

XY2

X3Y

X2Y3

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