
Asam Basa
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
Pariama Manik
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Di antara kelompok basa berikut yang bervalensi satu adalah….
Natrium hidroksida, kalium hidroksida dan rubidium hidroksida
Natrium hidroksida, kalium hidroksida dan Magnesium hidroksida
Kalsium hidroksida, kalium hidroksida dan rubidium hidroksida
Magnesium hidroksida, kalsium hidroksida dan barium hidroksida
Natrium hidroksida, kalium hidroksida dan barium hidroksida
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Beberapa pernyataan di bawah ini
1) mempunyai rasa pahit 4. Dapat menetralkan basa
2) tergolong elektrolit kuat 5. mempunyai pH lebih kecil dari 7
3) korosif
Yang merupakan ciri-ciri asam adalah....
1,2, dan 3
1,3 dan 5
2,3,dan 4
3,4 dan 5
2,4, dan 5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3. Pada reaksi H3O+ + SO42-→ HSO4- + H2O yang merupakan pasangan asam/basa konjugasi adalah ... .
H2O/H3O+
H2O/HSO4–
SO42- / HSO4-
H3O+/H2O
H3O+/HSO4-
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika pH larutan 0,1 M suatu asam lemah adalah 3, maka tetapan asam (Ka) adalah … .
1 × 10–3
1 × 10–7
2 × 10–3
1 × 10–5
1 × 10–7
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Di antara basa berikut, yang memiliki pH paling besar dengan konsentrasi yang sama adalah….
Ca(OH)2
NaOH
NH3
KOH
RbOH
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Besarnya pH larutan 0,74 gram Ca(OH)2 (Ar Ca = 40, O = 16, dan H = 1) dalam 2 liter larutan adalah … .
2-log 4
2
12
11+log 5
11+ log 4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan asam asetat mempunyai pH = 3 – log 2. Jika Ka = 2 x10–5, maka konsentrasi asam asetat adalah ... .
2x 10–1 M
4 × 10–1 M
10–2 M
5 × 10–2 M
10–3 M
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