SUMATIF AKHIR SEMESTER OLIMPIADE KIMIA (PAKET 8)

SUMATIF AKHIR SEMESTER OLIMPIADE KIMIA (PAKET 8)

10th Grade

25 Qs

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SUMATIF AKHIR SEMESTER OLIMPIADE KIMIA (PAKET 8)

SUMATIF AKHIR SEMESTER OLIMPIADE KIMIA (PAKET 8)

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

laila maghfiroh

Used 1+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Bilangan oksidasi atom Cl tertinggi di antara senyawa berikut adalah …

A. KCl

B. KClO

C. KClO3

D. CaO2

E. Cl2

2.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Reaksi berikut termasuk reaksi oksidasi jika dilihat dari kemampuan menerima atau melepaskan oksigen adalah ..

A.    2Na2O → 4Na + O2

B.    2K + O2  → 2K2O

C.    2BaO2  → 2BaO + O2

D.    2Na2O2  → 2Na2O + O2

E.    2Na2O → 4Na

3.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Bilangan Oksidasi Fe dalam Fe O  adalah...

A.    +2

B.    0

C.    +1

D.    +3

E. -2

4.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Bilangan oksidasi N dalam HNO3 adalah …

A. +5

B. -2

C. +2

D. +3

E. 0

5.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Pada reaksi CuO + H2 -> Cu + H2O, hasil oksidasi adalah

A.    H2O

B.    H2

C.    CuO

D.    Cu

E. OH

6.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Hasil reduksi pada reaksi Cl2 + H2O à HCl + HOCl adalah

A.    Cl2

B.    HCl

C.    HOCl

D.    H2O

E. OH

7.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Tentukan bilangan oksidasi klorin dalam Cl2O7 ...

A. -1

B. +7

C. -7

D. +1

E. 0

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