SOAL EVALUASI ASAM BASA
Quiz
•
Chemistry
•
1st Grade
•
Hard
Anis Fitriyah
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Menurut Bronsted-Lowry, basa adalah.....
Spesi yang di dalam air dapat melepaskan ion H+
Spesi yang di dalam air dapat melepaskan ion OH-
Spesi yang mendonorkan proton
Spesi yang menerima proton
Spesi yang mendonorkan pasangan elektron bebas
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa yang akan menghasilkan ion OH- ketika dilarutkan dalam air adalah.....
BF3
NaCl
KOH
HNO3
CH3COOH
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa HS- dapat berperan sebagai asam maupun basa. Reaksi yang menunjukkan HS- bersifat asam adalah.....
HS-(aq) + H+(aq) ⇌ H2S(aq)
HS-(aq) + H2O(l) ⇌ S2-(aq) + H3O+(aq)
HS-(aq) + H2O(l) ⇌ H2S(aq)+ OH-(aq)
HS-(aq) + NH4+(aq) ⇌ H2S(aq)+ NH3(aq)
HS-(aq) + HCl(aq) ⇌ H2S(aq)+ Cl-(aq)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara molekul berikut yang dapat berperan sebagai basa Lewis adalah.....
BCl3
PCl5
AlF3
SO2
H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pasangan asam-basa konjugasi menurut Bronsted-Lowry pada reaksi tersebut adalah.....
HCl dan NH3
NH4+ dan Cl-
HCl dan Cl-
HCl dan NH4+
NH3 dan Cl-
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tanah pertanian organik dapat menjadi asam karena adanya bahan-bahan organik yang belum terdekomposisi secara sempurna. Sifat tanah tersebut dapat dibuktikan dengan hasil uji....
Kertas lakmus merah berubah warna menjadi biru
Kertas lakmus biru berubah warna menjadi merah
Ketas lakmus biru tidak berubah warna
Kandungan ion OH- dalam tanah tinggi
pH-meter menunjukkan pH > 7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indikator yang sesuai untuk menentukan pH air sabun ditunjukkan oleh angka....
(1) dan (2)
(1) dan (3)
(2) dan (4)
(3) dan (5)
(4) dan (5)
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