
koloid
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
taufik hidayat
Used 201+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pembuatan koloid beriut dilakukan dengan metode dispersi, kecuali ....
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aluminium sulfat dapat digunakan untuk menjernihkan air sungai yang keruh. Ion Al3+ dalam air terhidrolisis membentuk koloid Al(OH)3 yang membungkus partikel-partikel kotoran, lalu mengendap. Jika dalam 10 liter air dimasukkan 17,1 gram Al2(SO4)3 (Mr = 342) maka pernyataan berikut yang benar adalah ...
(1) molaritas larutan 0,5 M
(2) terdapat 6,02 X 1022 ion Al3+
(3) terdapat 12 mol atom O
(4) terdapat 0,15 mol ion SO42-
(1), (2), dan (3)
(1) dan (3)
(2) dan (4)
(4) saja
semua benar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Buih merupakan sistem koloid yang terbentuk apabila ...
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara zat berikut, yang bukan merupakan koloid jenis soal adalah ...
larutan Fe(OH)3
tinta
agar-agar
minyak ikan
cat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini yang termasuk koloid liofil adalah ...
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alat Cottrell dapat mengendapkan partikel-partikel asap buangan pabrik. Alat ini bekerja berdasarkan peristiwa ...
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diberikan beberapa cara pembuatan koloid berikut.
1. Reaksi redoks
2. Busur Bredig
3. Reaksi hidrolisis
4. Peptisasi
5. Reaksi pemindahan
6. Mekanik
Pembuatan koloid yang termasuk cara dispersi adalah ...
1, 2, dan 3
1, 3, dan 5
2, 3, dan 4
2, 4, dan 6
4, 5, dan 6
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