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US SMKP Alfabir Kimia

Authored by Ati Laillasayyidah

Chemistry

12th Grade

Used 2+ times

US SMKP Alfabir Kimia
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40 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Di antara perubahan berikut; I. besi berkarat II. kapur barus menyublim III. petasan meledak IV. Air menguap V. bensin terbakar, yang termasuk perubahan kimia adalah…..

I, III, V
II, III, V
II, III, IV
I, IV, V
I, II, IV

Answer explanation

Explanation for the answer (optional)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Untuk mendapatkan serbuk garam dari campuran garam, pasir dan air maka teknik pemisahan yang dilakukan secara berturut-turut adalah…

kristalisasi dan sublimasi
filtrasi dan kristalisasi
sublimasi dan kromatografi
destilasi dan filtrasi
Kromatografi dan filtrasi

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Perhatikan gambar kromatografi kertas! Dasar pemisahan zat warna pada kertas kromatografi adalah...

Perbedaan titik didih
Perbedaan titik beku
Perbedaan kecepatan merambat
Perbedaan ukuran partikel
Perbedaan kelarutan

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Suatu senyawa mengandung 6 atom C, 21 atom H dan 3 atom O maka rumus empiris (rumus sederhana) dan rumus molekulnya yaitu . . . .

C6H21O3 dan C2H7O

C6H21O3 dan C6H12O3

C2H7O3 dan C2H7O3

C2H7O dan C6H21O3

CH7O dan C6H12O3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Lambang unsur karbon adalah adalah . . . .

K
Ka
c
Ca
C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nama kimia dari senyawa NaCl adalah....

Natrium klorida
Nitrogen klorida
Mononatrium klorida
Mononitrogen kalsium
Natrium kalsium

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rumus kimia dari karbon monoksida adalah....

CO2

CO

C2O

C2O2

C2O3

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