Kimia Kelas 12

Kimia Kelas 12

9th - 12th Grade

40 Qs

quiz-placeholder

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Kimia Kelas 12

Kimia Kelas 12

Assessment

Quiz

others

9th - 12th Grade

Easy

Created by

RINI WIDAYANTI

Used 1+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

1. Untuk membuat larutan NaOH 2 molal diperlukan....(Mr NaOH = 40)
8 gram NaOH dan 92 gram H2O
10 gram NaOH dan 90 mL H2O
4 gram NaOH dan 100 mL H2O
80 gram NaOH dan 2 Liter H2O
8 gram NaOH dan 100 gram H2O

2.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

2. Bilangan oksidasi atom Cr dalam senyawa K2CrO4 adalah ...
1
2
3
6
8

3.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

3. Unsur logam yang memiliki bilangan oksidasi +7 terdapat pada ion...
Na+
Cr2O72-
Fe2+
Cu
MnO4-

4.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

4. Bilangan oksidasi Br dalam senyawa BrO3- adalah...
-7
-3
+1
3
5

5.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

5. Bilangan oksidasi atom S yang paling tinggi terdapat pada .....
SO2
S2O32-
S4O62-
SO42-
H2S

6.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

6. Hasil elektrolisis larutan magnesium iodida adalah .....
Mg dan I2
Mg dan O2
Mg2+ dan 2I-
H2 dan I2
H2 dan O

7.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

7. Di antara reaksi-reaksi di bawah ini yang merupakan reaksi redoks adalah .....
CuO + 2HCl → CuCl2 + H2O
CuO + H2 → Cu + H2O
NaOH + Ag+ → AgOH + Na+
Fe2O3 + 3H2SO4 → Fe2(SO4)3 + H2O
ZnO + 2HCl → ZnCl2 + H2O2

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