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14 Diagram 4 shows the apparatus set-up of an electrolytic cell.
Rajah 4 menunjukkan susunan radas suatu sel elektrolisis.
Diagram 4 / Rajah 4
Which ofthe following is substance P?
Antara yang berikut, yang manakah bahan P?
A Ethyl ethanoate C Chloromethane
Etil etanoat Klorometana
B Glucose solution D Ethanoic acid
Larutan glukosa Asid etanoik
15 Cryolite, Na 3AlF 6 is used in the extraction process of aluminium in industry. What is
the use of this substance?
Kriolit, Na 3AlF 6 digunakan dalam proses pengekstrakan aluminium dalam industri.
Apakah kegunaan bahan ini?
A Lower the melting points of aluminium oxide
Merendahkan takat lebur aluminium oksida
B Increase the rate of reaction
Meningkatkan kadar tindak balas
C Eliminate impurities
Menyingkirkan bendasing
D Hamper electrode from being oxidized
Menghalang elektrod daripada dioksidakan
Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 60
