kimia2pat
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
bambang nurcahyo
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui beberapa sifat asam sebagai berikut :
1) [H+] < [OH-]
2) [H+] > [OH-]
3) Dalam air terionisasi menghasilkan ion OH-
4) Mengubah lakmus merah menjadi biru
5) Mengubah lakmus biru menjadi merah
Sifat larutan asam ditunjukkan oleh nomor ….
1, 2, 3
2, 3, 4
1, 3
2, 4
2, 5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui reaksi :
CH3COOH +NH3 → CH3COO- + NH4+
yang merupakan basa konjugasi adalah ….
NH3
NH4+
CH3COO-
CH3COOH
NH3 dan NH4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui data larutan sebagai berikut :
No Larutan pOH
1. NaOH 0,1 M 1
2. CH3COOH 0,01 M 9
3. HCl 0,01 M 12
4. NH4OH 0,01 M 5
5. H2O 7
Larutan yang mempunyai [H+] terbesar adalah ….
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan data pengujian pH beberapa sampel air limbah berikut !
Jenis air limbah P(pH 8 ), Q(pH 5,5 ), R(pH 7,6 ), S( pH 9,4 ), T ( 4,7 )
Air limbah yang tercemar asam adalah .....
P dan Q
Q dan T
R dan S
S dan T
T dan R
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan CH3COOH 0,1 M terionisasi dengan derajat ionisasi α = 0,01 mempunyai pH sebesar ….
1
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa KOH yang digunakan untuk membuat 3 liter larutan KOH 0,1 M dengan pH = 13 adalah ….
( Ar K = 39, O = 16, H = 1)
0,168 gram
0,56 gram
1,68 gram
5,6 gram
16,8 gram
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu asam lemah HA (Ka = 10-7), mempunyai pH = 4 – log 3.
Konsentrasi asam lemah tersebut adalah ….
0,0009 M
0,009 M
0,09 M
0,9 M
9 M
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