
koloid

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
taufik hidayat
Used 201+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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