asam basa
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
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Medium
udin wardoyo
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan reaksi ;
HCl(g) + NH3(g) --> NH4Cl (s)
Menurut Arrhenius, reaksi tersebut tidak dapat digolongkan reaksi asam-basa karena ....
Tidak melibatkan transfer elektron
Zat yang dihasilkan bersifat netral
Tidak membentuk ion H+ dan OH-
Tidak melibatkan transfer proton
Reaksi mengalami ionisasi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan reaksi asam basa Bronsted-Lowry berikut.
(1) NH3(g) + H2O(l) <==> NH4+(aq) +OH-(aq)
(2) HSO4-(aq)+CO32-(aq) <==> SO42-(aq)+ HCO3-
Pasangan asam-basa Bronsted-Lowry secara berurutan adalah ....
H2O dan OH-
HSO4- dan HCO3-
NH3 dan OH-
NH3 dan H2O
NH4+ dan OH-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu sifat asam yang dapat dibuktikan dengan uji organoleptik adalah ....
Korosif
Berasa masam
Bereaksi dengan basa
Bereaksi dengan logam
Terurai menjadi ion positif
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu indikator memberikan warna merah jika diteteskan pada larutan NaOH. Larutan di bawah ini akan menghasilkan warna yang sama jika diteteskan indikator yang sejenis, kecuali ….
Larutan sabun
Larutan soda kue
Larutan amoniak
Larutan cuka
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di bawah ini yang termasuk asam bervalensi dua adalah ….
Asam asetat
Asam klorat
Asam sulfat
Asam fosfat
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan Ba(OH)2 0,005M memiliki pH yang sama dengan ....
0,005 M KOH
0,01 M NaOH
0,01 M NH4OH
0,001 M Ca(OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui beberapa asam lemah dengan harga Ka nya masing-masing Ka (HA) = 1,8.10-4; Ka (HB) = 1,8.10-5; Ka (HC) = 6,5.10-4. Urutan penurunan kekuatan asam di atas adalah ....
HA, HB, HC
HA, HC, HB
HC, HA, HB
HC, HB, HA
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