bilangan nombor pengoksidaan S pada H2SO4 adalah ... .

Kimia ting 5 - Keseimbangan redoks

Quiz
•
Chemistry
•
5th Grade
•
Medium
IMRAN JUSOH
Used 118+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
+4
+6
+8
+2
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan no pengoksidaan atom Cr dalam K2CrO4 adalah ...
+1
+2
+3
+6
+4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada tindakbalas berikut:
Bilangan nombor pengoksidaan Mn mengalami perubahan dari ...
+4 menjadi +2
+4 menjadi +1
+2 menjadi +4
+2 menjadi +1
+4 menjadi 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara tindak balas berikut, manakah yang bukan tindak balas redoks?
NaOH + HCl --> NaCl + H2O
CuO + H2 --> Cu + H2O
Mg + HCl --> MgCl2 + H2
Na + H2O --> NaOH + H2
Fe2O3 + CO --> Fe + CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah perubahan warna larutan ferum (II) sulfat selepas tindak balas?
hijau --> hijau tua
hijau --> perang
hijau --> biru
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan manakah bertindak sebagai agen pengoksidaan?
larutan kalium manganat (VII) berasid
larutan kalium iodida
asid sulfurik cair
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah radas yang paling penting dalam pemindahan elektron dalam suatu jarak?
Bateri.
Mentol.
Suis.
Tiub U
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