Penilaian Harian Asam Basa-Penyangga

Penilaian Harian Asam Basa-Penyangga

11th Grade

20 Qs

quiz-placeholder

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Penilaian Harian Asam Basa-Penyangga

Penilaian Harian Asam Basa-Penyangga

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Hard

Created by

Irma Rohayanti

Used 6+ times

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20 questions

Show all answers

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 Hdari 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

Media Image

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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