as bs, el
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
kusmeri kusmeri
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Suatu larutan disebut sebagai penghantar listrik yang baik, jika larutan tersebut mengandung
Partikel-partikel yang bebas bergerak
Molekul-molekul yang bebas bergerak
Atom-atom yang bebas bergerak
Ion-ion yang bebas bergerak
Zat yang mudah terlarut dalam air
2.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Berdasarkan data tersebut , larutan yang termasuk elektrolit kuat dan non elektrolit adalah nomor
1 dan 4
2 dan 5
3 dan 4
2 dan 4
1 dan 3
3.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Larutan elektrolit lemah memiliki daya hantar yang buruk, karena.....
terdapat gelembung gas
terionisasi sempurna
lampu menyala terang
terionisasi sebahagian
menghantarkan arus listrik
4.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Senyawa elektrolit berikut ini yang tergolong senyawa kovalen adalah
KCl
HCl
MgCl2
NaCl
CaCl2
5.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Asam asetat atau asam cuka (CH3COOH) termasuk senyawa asam. Menurut Arhenius, asam cuka mempunyai sifat asam karena
memiliki atom hidrogen
dalam air melepaskan ion H+
dalam air melepaskan ion OH–
dapat menerima pasangan elektron
dapat memberi proton kepada molekul air
6.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Diberikan reaksi berikut:
H2O + CH3COO- ↔ CH3COOH + OH-
Pasangan asam-basa konjugasi menurut teori Bronsted-Lowry adalah
H2O dengan CH3COO-
CH3COOH dengan H2O
H2O dengan OH-
CH3COO- dengan OH-
CH3COOH dengan OH-
7.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Diberikan reaksi:
NH3 + HCl → NH4Cl
Berdasarkan teori asam-basa lewis, yang bertindak sebagai basa adalah
NH4Cl
HCl
NH3 dan NH4Cl
NH3
NH3 dan HCl
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