
PRETEST ASAM BASA
Authored by Mayang Sari
Chemistry
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Larutan HCl 0,01 M sebanyak 100 mL mempunyai pH…
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Larutan yang dihasilkan dari 0,56 gram kalium hidroksida (KOH) dalam 200 mL larutan mempunyai harga pH sebesar….(Mr KOH = 56)
11 + log 5
11 - log 5
12 + log 5
12 - log 5
13 + log 5
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
pH 2 liter larutan Ba(OH)2 0,2 M (log 4 = 0,6) adalah….
10,9
12,6
13,4
13,6
13,8
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Berikut data nilai Ka beberapa asam.
Ka CH3COOH = 1 . 10-5
Ka HNO2 = 4 . 10-4
Ka HF = 5 . 10-5
Urutan Tingkat keasaman yang benar adalah….
HF > HNO2 > CH3COOH
CH3COOH > HNO2 >HF
HNO2 > HF > CH3COOH
HF > HNO2 < CH3COOH
HF > CH3COOH > HNO2
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kertas lakmus biru akan berubah menjadi merah, apabila dimasukkan kedalam larutan….
Kalium hidroksida
Natrium klorida
Barium sulfat
Asam klorida
Natrium nitrat
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Data sifat larutan :
1) pH > 7
2) pH < 7
3) Merubah warna lakmus biru menjadi merah
4) Terasa pahit
Sifat larutan asam ditunjukkan oleh nomor….
1 dan 2
1 dan 3
1 dan 4
2 dan 3
3 dan 4
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Berdasarkan data percobaan diatas, Percobaan yang menunjukkan sifat asam baa yang tepat pada saat diuji dengan kertas Lakmus merah dan biru adalah…
1, 2, 3
1, 3, 4
2, 4, 5
2, 3, 5
3, 4, 5
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