Logam manakah yang boleh diekstrak daripada bijihnya melalui proses elektrolisis?
LIPIS_Koleksi Soalan SPM Kimia K1_Bab 1 T5

Quiz
•
Chemistry
•
11th Grade
•
Hard
NOORADILAH ARIFIN
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aluminium
Zink
Plumbum
Stanun
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 282 menunjukkan susunan radas bagi pemindahan elektron pada suatu jarak dalam tiub-U. Apakah X?
Natrium hidroksida
Butil butanoat
Asid sulfurik
Etanol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan berikut mewakili penurunan ferum(III) oksida oleh magnesium. Berapakah jisim magnesium yang diperlukan untuk menurunkan 16.0 g ferum(III) oksida?
[Jisim atom relatif: Fe = 56, Mg = 24, O = 16 ]
2.4 g
5.6 g
7.2 g
16.0 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah berlaku dalam tindak balas pengoksidaan?
Kehilangan oksigen
Penerimaan hidrogen
Penerimaan elektron
Penambahan nombor pengoksidaan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Susunan radas manakah yang betul untuk menulenkan logam kuprum?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan ion berikut menunjukkan tindak balas antara zink dengan asid. Apakah perubahan nombor pengoksidaan bagi hidrogen?
0 kepada +1
0 kepada +2
+1 kepada 0
+1 kepada +2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logam manakah yang dapat mencegah pengaratan apabila bersentuh dengan besi?
Plumbum
Argentum
Kuprum
Magnesium
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah nombor pengoksidaan bagi unsur kromium dalam kalium dikromat(VI), K2Cr2O7?
+2
+3
+5
+6
9.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Rajah 319 menunjukkan susunan radas bagi satu sel elektrolisis. Antara yang berikut, yang manakah berlaku jika eksperimen itu dibiarkan selama 1 jam?
Elektrod P semakin tebal
Bacaan ammeter menjadi sifar
Gelembung gas terhasil di elektrod Q
Keamatan warna biru larutan tidak berubah
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