Asam Basa
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
shokhifatul ilmiah
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diantara zat-zat berikut yang memiliki keasaman paling kuat adalah….
CH3COOH (Ka = 1,8 x 10-5)
HCl (Ka = 1 x 106 )
HCN (Ka = 6,0 x 10-10)
H2O (Ka = 1,8 x 10-16)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari senyawa-senyawa dibawah berikut yang berperan sebagai amfiprotik adalah…..
CO2
CO32-
H2O
NO3–
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan yang mempunyai pH lebih besar dari 7 adalah . . . .
Alkohol
Asam nitrat
Asam klorida
Amoniak
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . .
Meningkatkan [H+] bila dimasukkan kedalam H2O
Memberi 1 H+ dari pasangan reaksinya
Menurunkan [H+] bila dimasukkan kedalam H2O
Menerima 1 H+ dari pasangan reaksinya
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Derajat keasaman dari larutan 100 ml H2SO4 0,001 M adalah . . . .
3 – log 2
3 + log 2
11
2 - log 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan asam lemah NH4OH 0,4 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah… . .
11 + log 2
9 + log 2
6 - log 2
3 - log 2
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