TINDAK BALAS REDOKS
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
ROSNANI Moe
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Antara berikut, yang manakah berlaku tindak balas semasa tindak balas penurunan?
Which of the following occurs during reduction reaction?
menerima oksigen
gain of oxygen
Kehilangan hidrogen
loss of hdrogen
menerima elektron
gain electron
penambahan nombor pengoksidaan
Increase in oxidation number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Nombor pengoksidaan litium dalam litium klorida, LiCl
Oxidation number of Litium in Litium chloride, LiCl
0
+1
+2
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Nombor pengoksidaan oksigen dalam hidrogen peroksida, H2O2
Oxidation number of oxygen inhydrogen peroxide, H2O2
0
+1
+2
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Which of the following ions present in molten aluminium oxide?
Antara berikut, manakah ion-ion yang hadir dalam leburan aluminium oksida?
Al3+, O2-
Al3+, O2-, H+
Al3+, O2-, H+, OH-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bolehkah timah diekstrakkan dengan menggunakan karbon?
Can tin extracted using carbon?
Boleh/Can
Tidak / No
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara pasangan elektrod logam yang berikut, yang manakah menghasilkan bacaan voltmeter yang paling besar?
Which of the following pairs of metal electrodes produces the biggest voltmeter reading?
Mg ll Zn
Al ll Fe
Cu ll Ag
Zn ll Ag
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Anod kuprum yang tulen terlarut untuk membentuk ion Cu2+.
Pure copper anode dissolve to form Cu2+ ions.
BETUL
SALAH
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