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REMIDI UAS GASALKIMIA X 1920

Authored by agil law

Chemistry

Professional Development

REMIDI UAS GASALKIMIA X 1920
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika Ar H = 1 dan Ar O = 16 maka
Mr  H2OH_2O  = ....

18

15

14

32

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suatu unsur memiliki nomor atom 19,

Konfigurasi elektronnya .....

2 . 8 . 8 . 2

2 . 8 . 8 . 1

2 . 1 . 8 . 8

8 . 8 . 2 . 1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suatu atom memiliki nomor atom 16

Konfigurasi elektronnya ....

1s2 2s2 2p6 3s2 3p2

1s2 2s2 2p6 3s2 3p4

1s2 2s2 2p6 3s2 3p6

1s2 2s2 3p6 4s2 5p4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Campuran alkohol dengan air dapat dipisahkan menggunakan teknik ....

Kromatografi

Dekantasi

Destilasi

Filtrasi

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2C2H2 + XO2 --> 4CO + 2H2O


Reaksi di atas akan setara dan tepat jika X diganti angka ....

1

2

3

5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Unsur Emas, Perak, Tembaga secara berurutan, memiliki lambang unsur ….

Ag, Au, Cu

Au, Ag, Cu

As, P, Te

S, Ra, B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Pada gambar tersebut, angka 2 menunjukan ikatan ....

kovalen koordinasi

kovalen tunggal

kovaleng ganda 2

kovalen ganda 3

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