
PRETEST LARUTAN PENYANGGA
Authored by SHANTI PRIMAYANA
Chemistry
9th - 12th Grade
Used 6+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Pernyataan yang benar tentang larutan penyangga....
Larutan yang mempertahankan pH sistem agar tetap walaupun ditambah sedikit asam/basa
Memiliki komponen asam dan basa yang selalu berupa pasangan konjugasi
Mampu mengatasi penambahan asam dan basa dalam jumlah banyak
Memiliki kapasitas tertentu
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Yang merupakan larutan penyangga adalah ….
CH3COOH/CHOOH
CHOO–/CH3COO–
NH3/NH4OH
HOCl/OCl–
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Larutan penyangga dapat dibuat dengan pencampuran berikut, kecuali ….
asam lemah dan basa lemah
garam asam lemah berlebih dan asam kuat
asam lemah berlebih dan basa kuat
basa lemah dan asam konjugasinya
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Yang termasuk sifat larutan penyangga,kecuali...
Mampu mempertahankan pH walaupun ditambah sedikit asam kuat maupun basa kuat.
Pengenceran pada larutan penyangga, tidak akan merubah pH.
Pada suhu yang tetap atau tidak berubah, nilai Ka selalu tetap.
larutan yang mampu merubah pH
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Perhatikan campuran larutan berikut. Campuran di bawah ini yang merupakan larutan penyangga adalah….
CH3COOH dan HCOONa
HCN dan NaCN
NaOH dan KCl
HCl dan KCl
6.
OPEN ENDED QUESTION
30 sec • 10 pts
Nama:
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7.
OPEN ENDED QUESTION
30 sec • 10 pts
Kelas:
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