
QUIZ OLIMPIADE KIMIA XI SMT 2
Quiz
•
English
•
12th Grade
•
Practice Problem
•
Hard
Dina Laurina
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
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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