Page 44 - E-Modul Sistem Koloid Maifi Dwi Andrean
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S I S T E M K O L O I D
Hasil pengamatan
1. Apa fungsi dari setiap bahan yang digunakan dalam pembuatan agar-agar?
Jawaban:......................................................................................................................
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2. Mengapa agar-agar dikatakan sebagai koloid? Jelaskan!
Jawaban:......................................................................................................................
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3. Berdasarkan tipe sistem dispersi koloid, termasuk jenis koloid apakah agar-agar?
Jelaskan!
Jawaban:......................................................................................................................
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4. Bagaimana keadaan agar-agar apabila didiamkan sampai dingin?
Jawaban:......................................................................................................................
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Kesimpulan percobaan:...................................................................................................
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b. Koloid liofob
1. Masukkan 1 mL minyak kelapa dan 10 mL air ke dalam tabung reaksi. Kocok
campuran tersebut dengan kuat dan amati.
2. Tambahkan 15 mL air sabun dan kembali dikocok dengan kuat. Biarkan selama
10-15 menit.
3. Lakukan pengamatan setiap langkah dan catat hasil pengamatan.
36
Chemistry is fun
