latihan ujian kimia
Quiz
•
Science
•
11th - 12th Grade
•
Practice Problem
•
Hard
erika febriana
Used 7+ times
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110 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan tabel di atas pasangan senyawa yg bersifat basa menurut Arrhenius beserta namanya yang benar adalah
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (5)
(3) dan (5)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data berikut merupakan hasil pengujian beberapa larutan dengan alat uji elektrolit
larutan 1
larutan 2
larutan 3
larutan 1 dan 2
larutan 1 dan 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut konsep asam-basa Bronsted-Lowry dalam reaksi
Air adalah asam karena dapat menerima sebuah proton
Amonia dan air adalah pasangan asam-basa konjugat
dan adalah basa konjugat
NH3 adalah asam karena memberi sebuah proton
NH4+ dan OH– adalah basa kuat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 30 ml Asam Cuka dititrasi dengan larutan Ca(OH)2 0,01 M. Data hasil titrasi
ditampilkan dalam tabel di atas.
Konsentrasi Asam Cuka yang dititrasi tersebut adalah adalah….
0,02 M
0,04 M
0,20 M
0,40 M
4,00 M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senyawa HClO4 dapat bersifat asam maupun basa. Reaksi yang menunjukkan bahwa HClO4 basa adalah ….
HClO4 + NH2– ↔ ClO4– + NH3
HClO4 + NH3 ↔ ClO4– + NH4+
HClO4 + H2O ↔ ClO4– + H3O+
HClO4 + OH– ↔ ClO4– + H2O
HClO4 + N2H5+ ↔ H2ClO4– + N2H4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Konsentrasi ion hidrogen dalam larutan yang pH-nya = 3 – log 2 adalah … .
2 × 10–2 M
3 × 10–3 M
2 × 10–3M
0,0001 M
0,003 M
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika pH larutan 0,01 M suatu asam lemah HA adalah 3,5, maka tetapan asam (Ka)
1 × 10–3
. 2 × 10–3
1 × 10–5
1 × 10–7
1 × 10–8
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