Penilaian Harian Asam Basa-Penyangga
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Irma Rohayanti
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .
Meningkatkan [H+] bila dimasukkan kedalam H2O
Menurunkan [H+] bila dimaasukkan kedalam H2O
Meningkatkan [OH–] bila dimasukkan kedalam H2O
Menerima 1 H+ dari pasangan reaksinya
Memberi 1 H+ kepada pasangan reaksinya
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Kertas lakmus biru akan berubah menjadi merah, bila dimasukkan ke dalam larutan…
Kalium hidroksida
Natrium klorida
Barium sulfat
Asam klorida
Natrium nitrat
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Untuk mengukur derajat keasaman asam atau basa yang akurat, paling tepat menggunakan. . . .
Phenolphtalein
Metil jingga
pH meter
Bromtimol biru
Indikator universal
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Derajat keasaman dari larutan 100 ml H2SO4 0,02 M adalah . . . .
2 - log 4
2 + log 2
2 + log 4
12 + log 2
12 + log 4
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
pH dari 2 gram NaOH (Mr=40) yang dilarutkan sampai volume 250 mL, adalah ....
1 - log 2
2 - log 1
12 - log 1
12 + log 2
13 + log 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Perhatikan tabel disamping.
Berdasarkan tabel tersebut, larutan yang bersifat asam adalah…..
Larutan 1 dan 2
Larutan 1 dan 3
Larutan 2 dan 3
Larutan 2 dan 4
Larutan 4 dan 5
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Larutan dengan pH=12 dibuat dengan melarutkan a gram NaOH (Mr=40) ke dalam air hingga volum larutan 500 ml. besarnya a adalah….
0,2
0,4
1,0
2,0
4,0
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